diff --git a/packages/babel-cli/README.md b/packages/babel-cli/README.md
index 267214999f..a32c3721b4 100644
--- a/packages/babel-cli/README.md
+++ b/packages/babel-cli/README.md
@@ -9,7 +9,7 @@ There are some shell-executable utility scripts, `babel-external-helpers.js` and
 ## Install
 
 ```sh
-npm install babel-cli
+npm install --save-dev babel-cli
 ```
 
 ## Usage 
diff --git a/packages/babel-code-frame/README.md b/packages/babel-code-frame/README.md
index 5f38e31019..467e574704 100644
--- a/packages/babel-code-frame/README.md
+++ b/packages/babel-code-frame/README.md
@@ -5,7 +5,7 @@
 ## Install
 
 ```sh
-npm install babel-code-frame
+npm install --save-dev babel-code-frame
 ```
 
 ## Usage
diff --git a/packages/babel-core/README.md b/packages/babel-core/README.md
index fc6809a263..6b1f66395b 100644
--- a/packages/babel-core/README.md
+++ b/packages/babel-core/README.md
@@ -5,7 +5,7 @@
 ## Install
 
 ```
-npm install babel-core
+npm install --save-dev babel-core
 ```
 
 ## Usage
diff --git a/packages/babel-generator/README.md b/packages/babel-generator/README.md
index aa19add922..46a4c051b3 100644
--- a/packages/babel-generator/README.md
+++ b/packages/babel-generator/README.md
@@ -5,7 +5,7 @@
 ## Install
 
 ```sh
-npm install babel-generator
+npm install --save-dev babel-generator
 ```
 
 ## Usage
diff --git a/packages/babel-helpers/README.md b/packages/babel-helpers/README.md
index d69a1f04eb..5a57c5d46a 100644
--- a/packages/babel-helpers/README.md
+++ b/packages/babel-helpers/README.md
@@ -5,7 +5,7 @@
 ## Install
 
 ```js
-npm install babel-helpers
+npm install --save-dev babel-helpers
 ```
 
 ## Usage
diff --git a/packages/babel-messages/README.md b/packages/babel-messages/README.md
index 5a09e0c0b3..98ecf8b2c0 100644
--- a/packages/babel-messages/README.md
+++ b/packages/babel-messages/README.md
@@ -5,7 +5,7 @@
 ## Install
 
 ```sh
-npm install babel-messages
+npm install --save-dev babel-messages
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-external-helpers/README.md b/packages/babel-plugin-external-helpers/README.md
index 088ce7e5d2..4bb1e18beb 100644
--- a/packages/babel-plugin-external-helpers/README.md
+++ b/packages/babel-plugin-external-helpers/README.md
@@ -3,7 +3,7 @@
 ## Installation
 
 ```sh
-npm install babel-plugin-external-helpers
+npm install --save-dev babel-plugin-external-helpers
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-syntax-async-functions/README.md b/packages/babel-plugin-syntax-async-functions/README.md
index 25b83be37c..469785a13f 100644
--- a/packages/babel-plugin-syntax-async-functions/README.md
+++ b/packages/babel-plugin-syntax-async-functions/README.md
@@ -16,7 +16,7 @@ This plugin allows Babel to parse async functions.
 ## Installation
 
 ```sh
-npm install babel-plugin-syntax-async-functions
+npm install --save-dev babel-plugin-syntax-async-functions
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-syntax-async-generators/README.md b/packages/babel-plugin-syntax-async-generators/README.md
index 6ce2c5f414..a3c8fc51a9 100644
--- a/packages/babel-plugin-syntax-async-generators/README.md
+++ b/packages/babel-plugin-syntax-async-generators/README.md
@@ -23,7 +23,7 @@ async function f() {
 ## Installation
 
 ```sh
-npm install babel-plugin-syntax-async-generators
+npm install --save-dev babel-plugin-syntax-async-generators
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-syntax-class-constructor-call/README.md b/packages/babel-plugin-syntax-class-constructor-call/README.md
index 27e2936f26..6b3a3e804e 100644
--- a/packages/babel-plugin-syntax-class-constructor-call/README.md
+++ b/packages/babel-plugin-syntax-class-constructor-call/README.md
@@ -7,7 +7,7 @@ Allow parsing of call constructors.
 ## Installation
 
 ```sh
-npm install babel-plugin-syntax-class-constructor-call
+npm install --save-dev babel-plugin-syntax-class-constructor-call
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-syntax-class-properties/README.md b/packages/babel-plugin-syntax-class-properties/README.md
index 5564937f4a..7f0c6cff1a 100644
--- a/packages/babel-plugin-syntax-class-properties/README.md
+++ b/packages/babel-plugin-syntax-class-properties/README.md
@@ -5,7 +5,7 @@ Allow parsing of class properties.
 ## Installation
 
 ```sh
-npm install babel-plugin-syntax-class-properties
+npm install --save-dev babel-plugin-syntax-class-properties
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-syntax-decorators/README.md b/packages/babel-plugin-syntax-decorators/README.md
index eff0f7ccf4..40b6ad9e39 100644
--- a/packages/babel-plugin-syntax-decorators/README.md
+++ b/packages/babel-plugin-syntax-decorators/README.md
@@ -5,7 +5,7 @@ Allow parsing of decorators.
 ## Installation
 
 ```sh
-npm install babel-plugin-syntax-decorators
+npm install --save-dev babel-plugin-syntax-decorators
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-syntax-do-expressions/README.md b/packages/babel-plugin-syntax-do-expressions/README.md
index a8b5467222..2bca5e16d3 100644
--- a/packages/babel-plugin-syntax-do-expressions/README.md
+++ b/packages/babel-plugin-syntax-do-expressions/README.md
@@ -5,7 +5,7 @@ Allow parsing of do expressions.
 ## Installation
 
 ```sh
-npm install babel-plugin-syntax-do-expressions
+npm install --save-dev babel-plugin-syntax-do-expressions
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-syntax-dynamic-import/README.md b/packages/babel-plugin-syntax-dynamic-import/README.md
index f891bd1ac6..153a1bfd34 100644
--- a/packages/babel-plugin-syntax-dynamic-import/README.md
+++ b/packages/babel-plugin-syntax-dynamic-import/README.md
@@ -5,7 +5,7 @@ Allow parsing of `import()`.
 ## Installation
 
 ```sh
-npm install babel-plugin-syntax-dynamic-import
+npm install --save-dev babel-plugin-syntax-dynamic-import
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-syntax-exponentiation-operator/README.md b/packages/babel-plugin-syntax-exponentiation-operator/README.md
index f02a300ce5..384a07f87b 100644
--- a/packages/babel-plugin-syntax-exponentiation-operator/README.md
+++ b/packages/babel-plugin-syntax-exponentiation-operator/README.md
@@ -5,7 +5,7 @@ Allow parsing of the exponentiation operator.
 ## Installation
 
 ```sh
-npm install babel-plugin-syntax-exponentiation-operator
+npm install --save-dev babel-plugin-syntax-exponentiation-operator
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-syntax-export-extensions/README.md b/packages/babel-plugin-syntax-export-extensions/README.md
index 0979ee3064..fc2dc569d6 100644
--- a/packages/babel-plugin-syntax-export-extensions/README.md
+++ b/packages/babel-plugin-syntax-export-extensions/README.md
@@ -5,7 +5,7 @@ Allow parsing of export extensions.
 ## Installation
 
 ```sh
-npm install babel-plugin-syntax-export-extensions
+npm install --save-dev babel-plugin-syntax-export-extensions
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-syntax-flow/README.md b/packages/babel-plugin-syntax-flow/README.md
index 2e0024b0d9..77bf2cc841 100644
--- a/packages/babel-plugin-syntax-flow/README.md
+++ b/packages/babel-plugin-syntax-flow/README.md
@@ -5,7 +5,7 @@
 ## Installation
 
 ```sh
-npm install babel-plugin-syntax-flow
+npm install --save-dev babel-plugin-syntax-flow
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-syntax-function-bind/README.md b/packages/babel-plugin-syntax-function-bind/README.md
index eb81db347f..1a86b7fdfb 100644
--- a/packages/babel-plugin-syntax-function-bind/README.md
+++ b/packages/babel-plugin-syntax-function-bind/README.md
@@ -5,7 +5,7 @@ Allow parsing of function bind.
 ## Installation
 
 ```sh
-npm install babel-plugin-syntax-function-bind
+npm install --save-dev babel-plugin-syntax-function-bind
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-syntax-function-sent/README.md b/packages/babel-plugin-syntax-function-sent/README.md
index fef72dccc2..e1ed3e3b72 100644
--- a/packages/babel-plugin-syntax-function-sent/README.md
+++ b/packages/babel-plugin-syntax-function-sent/README.md
@@ -5,7 +5,7 @@ Allow parsing of the `function.sent` meta property.
 ## Installation
 
 ```sh
-npm install babel-plugin-syntax-function-sent
+npm install --save-dev babel-plugin-syntax-function-sent
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-syntax-jsx/README.md b/packages/babel-plugin-syntax-jsx/README.md
index 41c5f5b75a..006107b523 100644
--- a/packages/babel-plugin-syntax-jsx/README.md
+++ b/packages/babel-plugin-syntax-jsx/README.md
@@ -5,7 +5,7 @@
 ## Installation
 
 ```sh
-npm install babel-plugin-syntax-jsx
+npm install --save-dev babel-plugin-syntax-jsx
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-syntax-object-rest-spread/README.md b/packages/babel-plugin-syntax-object-rest-spread/README.md
index 144339b849..9cec118a07 100644
--- a/packages/babel-plugin-syntax-object-rest-spread/README.md
+++ b/packages/babel-plugin-syntax-object-rest-spread/README.md
@@ -5,7 +5,7 @@ Allow parsing of object rest/spread.
 ## Installation
 
 ```sh
-npm install babel-plugin-syntax-object-rest-spread
+npm install --save-dev babel-plugin-syntax-object-rest-spread
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-syntax-trailing-function-commas/README.md b/packages/babel-plugin-syntax-trailing-function-commas/README.md
index 1cca3eb81e..0f0bf69e78 100644
--- a/packages/babel-plugin-syntax-trailing-function-commas/README.md
+++ b/packages/babel-plugin-syntax-trailing-function-commas/README.md
@@ -5,7 +5,7 @@ Compile trailing function commas to ES5
 ## Installation
 
 ```sh
-npm install babel-plugin-syntax-trailing-function-commas
+npm install --save-dev babel-plugin-syntax-trailing-function-commas
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-async-functions/README.md b/packages/babel-plugin-transform-async-functions/README.md
index 26b99ad451..3ee23321ae 100644
--- a/packages/babel-plugin-transform-async-functions/README.md
+++ b/packages/babel-plugin-transform-async-functions/README.md
@@ -5,7 +5,7 @@ Compile async functions to ES5
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-async-functions
+npm install --save-dev babel-plugin-transform-async-functions
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-async-generator-functions/README.md b/packages/babel-plugin-transform-async-generator-functions/README.md
index 1e5e8f5940..bbd2f7f12c 100644
--- a/packages/babel-plugin-transform-async-generator-functions/README.md
+++ b/packages/babel-plugin-transform-async-generator-functions/README.md
@@ -73,7 +73,7 @@ forEach(genAnswers(), function(val) { output += val.value })
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-async-generator-functions
+npm install --save-dev babel-plugin-transform-async-generator-functions
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-async-to-generator/README.md b/packages/babel-plugin-transform-async-to-generator/README.md
index 1b1bda2b2b..557346ef94 100644
--- a/packages/babel-plugin-transform-async-to-generator/README.md
+++ b/packages/babel-plugin-transform-async-to-generator/README.md
@@ -5,7 +5,7 @@ Turn async functions into ES2015 generators
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-async-to-generator
+npm install --save-dev babel-plugin-transform-async-to-generator
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-async-to-module-method/README.md b/packages/babel-plugin-transform-async-to-module-method/README.md
index c5459ce157..99a9434012 100644
--- a/packages/babel-plugin-transform-async-to-module-method/README.md
+++ b/packages/babel-plugin-transform-async-to-module-method/README.md
@@ -5,7 +5,7 @@ Turn async functions into a Bluebird coroutine
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-async-to-module-method
+npm install --save-dev babel-plugin-transform-async-to-module-method
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-class-constructor-call/README.md b/packages/babel-plugin-transform-class-constructor-call/README.md
index 84c09110ec..f52cb9eeea 100644
--- a/packages/babel-plugin-transform-class-constructor-call/README.md
+++ b/packages/babel-plugin-transform-class-constructor-call/README.md
@@ -65,7 +65,7 @@ let nowStr = Date(); // Use the 'call constructor()' part to get a string value
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-class-constructor-call
+npm install --save-dev babel-plugin-transform-class-constructor-call
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-class-properties/README.md b/packages/babel-plugin-transform-class-properties/README.md
index 75f3533c3d..a9604f7b6e 100644
--- a/packages/babel-plugin-transform-class-properties/README.md
+++ b/packages/babel-plugin-transform-class-properties/README.md
@@ -3,7 +3,7 @@
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-class-properties
+npm install --save-dev babel-plugin-transform-class-properties
 ```
 
 ### Options: `spec`
diff --git a/packages/babel-plugin-transform-decorators/README.md b/packages/babel-plugin-transform-decorators/README.md
index 68ad83b718..fba4863f52 100644
--- a/packages/babel-plugin-transform-decorators/README.md
+++ b/packages/babel-plugin-transform-decorators/README.md
@@ -5,7 +5,7 @@ Compile class and object decorators to ES5
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-decorators
+npm install --save-dev babel-plugin-transform-decorators
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-do-expressions/README.md b/packages/babel-plugin-transform-do-expressions/README.md
index 858fe0592a..937c3474f1 100644
--- a/packages/babel-plugin-transform-do-expressions/README.md
+++ b/packages/babel-plugin-transform-do-expressions/README.md
@@ -5,7 +5,7 @@ Compile do expressions to ES5
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-do-expressions
+npm install --save-dev babel-plugin-transform-do-expressions
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-es2015-arrow-functions/README.md b/packages/babel-plugin-transform-es2015-arrow-functions/README.md
index 294438ee53..468e087636 100644
--- a/packages/babel-plugin-transform-es2015-arrow-functions/README.md
+++ b/packages/babel-plugin-transform-es2015-arrow-functions/README.md
@@ -5,7 +5,7 @@ Compile ES2015 arrow functions to ES5
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-es2015-arrow-functions
+npm install --save-dev babel-plugin-transform-es2015-arrow-functions
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-es2015-block-scoped-functions/README.md b/packages/babel-plugin-transform-es2015-block-scoped-functions/README.md
index aaee849912..8e481aeddf 100644
--- a/packages/babel-plugin-transform-es2015-block-scoped-functions/README.md
+++ b/packages/babel-plugin-transform-es2015-block-scoped-functions/README.md
@@ -5,7 +5,7 @@ Babel plugin to ensure function declarations at the block level are block scoped
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-es2015-block-scoped-functions
+npm install --save-dev babel-plugin-transform-es2015-block-scoped-functions
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-es2015-block-scoping/README.md b/packages/babel-plugin-transform-es2015-block-scoping/README.md
index 0df73227e0..616e33cf14 100644
--- a/packages/babel-plugin-transform-es2015-block-scoping/README.md
+++ b/packages/babel-plugin-transform-es2015-block-scoping/README.md
@@ -5,7 +5,7 @@ Compile ES2015 block scoping (const and let) to ES5
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-es2015-block-scoping
+npm install --save-dev babel-plugin-transform-es2015-block-scoping
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-es2015-classes/README.md b/packages/babel-plugin-transform-es2015-classes/README.md
index f83e4f12d0..7e80889a2c 100644
--- a/packages/babel-plugin-transform-es2015-classes/README.md
+++ b/packages/babel-plugin-transform-es2015-classes/README.md
@@ -5,7 +5,7 @@ Compile ES2015 classes to ES5
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-es2015-classes
+npm install --save-dev babel-plugin-transform-es2015-classes
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-es2015-computed-properties/README.md b/packages/babel-plugin-transform-es2015-computed-properties/README.md
index f845c96a5c..307dbcb047 100644
--- a/packages/babel-plugin-transform-es2015-computed-properties/README.md
+++ b/packages/babel-plugin-transform-es2015-computed-properties/README.md
@@ -5,7 +5,7 @@ Compile ES2015 computed properties to ES5
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-es2015-computed-properties
+npm install --save-dev babel-plugin-transform-es2015-computed-properties
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-es2015-destructuring/README.md b/packages/babel-plugin-transform-es2015-destructuring/README.md
index 2ee4cf4df0..6d733176b6 100644
--- a/packages/babel-plugin-transform-es2015-destructuring/README.md
+++ b/packages/babel-plugin-transform-es2015-destructuring/README.md
@@ -5,7 +5,7 @@ Compile ES2015 destructuring to ES5
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-es2015-destructuring
+npm install --save-dev babel-plugin-transform-es2015-destructuring
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-es2015-duplicate-keys/README.md b/packages/babel-plugin-transform-es2015-duplicate-keys/README.md
index ba54931a5f..bdb0b0746b 100644
--- a/packages/babel-plugin-transform-es2015-duplicate-keys/README.md
+++ b/packages/babel-plugin-transform-es2015-duplicate-keys/README.md
@@ -10,7 +10,7 @@ object literals with duplicate keys.
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-es2015-duplicate-keys
+npm install --save-dev babel-plugin-transform-es2015-duplicate-keys
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-es2015-for-of/README.md b/packages/babel-plugin-transform-es2015-for-of/README.md
index 54a28aa067..9be973c2b1 100644
--- a/packages/babel-plugin-transform-es2015-for-of/README.md
+++ b/packages/babel-plugin-transform-es2015-for-of/README.md
@@ -5,7 +5,7 @@ Compile ES2015 for...of to ES5
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-es2015-for-of
+npm install --save-dev babel-plugin-transform-es2015-for-of
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-es2015-function-name/README.md b/packages/babel-plugin-transform-es2015-function-name/README.md
index 833e8e2dfe..c8cfad9654 100644
--- a/packages/babel-plugin-transform-es2015-function-name/README.md
+++ b/packages/babel-plugin-transform-es2015-function-name/README.md
@@ -5,7 +5,7 @@ Apply ES2015 function.name semantics to all functions
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-es2015-function-name
+npm install --save-dev babel-plugin-transform-es2015-function-name
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-es2015-instanceof/README.md b/packages/babel-plugin-transform-es2015-instanceof/README.md
index 69f5bb72db..a26a86fc9c 100644
--- a/packages/babel-plugin-transform-es2015-instanceof/README.md
+++ b/packages/babel-plugin-transform-es2015-instanceof/README.md
@@ -3,7 +3,7 @@
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-es2015-instanceof
+npm install --save-dev babel-plugin-transform-es2015-instanceof
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-es2015-literals/README.md b/packages/babel-plugin-transform-es2015-literals/README.md
index d81e30ecd1..d6a37b513a 100644
--- a/packages/babel-plugin-transform-es2015-literals/README.md
+++ b/packages/babel-plugin-transform-es2015-literals/README.md
@@ -5,7 +5,7 @@ Compile ES2015 unicode string and number literals to ES5
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-es2015-literals
+npm install --save-dev babel-plugin-transform-es2015-literals
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-es2015-modules-amd/README.md b/packages/babel-plugin-transform-es2015-modules-amd/README.md
index 742a105ab3..88e0b357f9 100644
--- a/packages/babel-plugin-transform-es2015-modules-amd/README.md
+++ b/packages/babel-plugin-transform-es2015-modules-amd/README.md
@@ -3,7 +3,7 @@
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-es2015-modules-amd
+npm install --save-dev babel-plugin-transform-es2015-modules-amd
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-es2015-modules-commonjs/README.md b/packages/babel-plugin-transform-es2015-modules-commonjs/README.md
index 48537f5db2..8bebc08112 100644
--- a/packages/babel-plugin-transform-es2015-modules-commonjs/README.md
+++ b/packages/babel-plugin-transform-es2015-modules-commonjs/README.md
@@ -3,7 +3,7 @@
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-es2015-modules-commonjs
+npm install --save-dev babel-plugin-transform-es2015-modules-commonjs
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-es2015-modules-systemjs/README.md b/packages/babel-plugin-transform-es2015-modules-systemjs/README.md
index e0b1655f29..e6cd99c9f9 100644
--- a/packages/babel-plugin-transform-es2015-modules-systemjs/README.md
+++ b/packages/babel-plugin-transform-es2015-modules-systemjs/README.md
@@ -3,7 +3,7 @@
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-es2015-modules-systemjs
+npm install --save-dev babel-plugin-transform-es2015-modules-systemjs
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-es2015-modules-umd/README.md b/packages/babel-plugin-transform-es2015-modules-umd/README.md
index 166c52be3a..474c221974 100644
--- a/packages/babel-plugin-transform-es2015-modules-umd/README.md
+++ b/packages/babel-plugin-transform-es2015-modules-umd/README.md
@@ -3,7 +3,7 @@
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-es2015-modules-umd
+npm install --save-dev babel-plugin-transform-es2015-modules-umd
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-es2015-object-super/README.md b/packages/babel-plugin-transform-es2015-object-super/README.md
index 234a7de893..fb259b5feb 100644
--- a/packages/babel-plugin-transform-es2015-object-super/README.md
+++ b/packages/babel-plugin-transform-es2015-object-super/README.md
@@ -5,7 +5,7 @@ Compile ES2015 object super to ES5
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-es2015-object-super
+npm install --save-dev babel-plugin-transform-es2015-object-super
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-es2015-parameters/README.md b/packages/babel-plugin-transform-es2015-parameters/README.md
index 3952b32bd0..a8bff11e82 100644
--- a/packages/babel-plugin-transform-es2015-parameters/README.md
+++ b/packages/babel-plugin-transform-es2015-parameters/README.md
@@ -5,7 +5,7 @@ Compile ES2015 default and rest parameters to ES5
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-es2015-parameters
+npm install --save-dev babel-plugin-transform-es2015-parameters
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-es2015-shorthand-properties/README.md b/packages/babel-plugin-transform-es2015-shorthand-properties/README.md
index 871d141de0..b760fbf18b 100644
--- a/packages/babel-plugin-transform-es2015-shorthand-properties/README.md
+++ b/packages/babel-plugin-transform-es2015-shorthand-properties/README.md
@@ -5,7 +5,7 @@ Compile ES2015 shorthand properties to ES5
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-es2015-shorthand-properties
+npm install --save-dev babel-plugin-transform-es2015-shorthand-properties
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-es2015-spread/README.md b/packages/babel-plugin-transform-es2015-spread/README.md
index 9597177de0..c2c68a800d 100644
--- a/packages/babel-plugin-transform-es2015-spread/README.md
+++ b/packages/babel-plugin-transform-es2015-spread/README.md
@@ -5,7 +5,7 @@ Compile ES2015 spread to ES5
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-es2015-spread
+npm install --save-dev babel-plugin-transform-es2015-spread
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-es2015-sticky-regex/README.md b/packages/babel-plugin-transform-es2015-sticky-regex/README.md
index 8b9acb2e73..26a0c56e74 100644
--- a/packages/babel-plugin-transform-es2015-sticky-regex/README.md
+++ b/packages/babel-plugin-transform-es2015-sticky-regex/README.md
@@ -5,7 +5,7 @@ Compile ES2015 sticky regex to an ES5 RegExp constructor
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-es2015-sticky-regex
+npm install --save-dev babel-plugin-transform-es2015-sticky-regex
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-es2015-template-literals/README.md b/packages/babel-plugin-transform-es2015-template-literals/README.md
index 2ab8807007..30fed06969 100644
--- a/packages/babel-plugin-transform-es2015-template-literals/README.md
+++ b/packages/babel-plugin-transform-es2015-template-literals/README.md
@@ -5,7 +5,7 @@ Compile ES2015 template literals to ES5
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-es2015-template-literals
+npm install --save-dev babel-plugin-transform-es2015-template-literals
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-es2015-typeof-symbol/README.md b/packages/babel-plugin-transform-es2015-typeof-symbol/README.md
index 1b336d557f..0f0531955b 100644
--- a/packages/babel-plugin-transform-es2015-typeof-symbol/README.md
+++ b/packages/babel-plugin-transform-es2015-typeof-symbol/README.md
@@ -3,7 +3,7 @@
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-es2015-typeof-symbol
+npm install --save-dev babel-plugin-transform-es2015-typeof-symbol
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-es2015-unicode-regex/README.md b/packages/babel-plugin-transform-es2015-unicode-regex/README.md
index c0b429811a..7244299548 100644
--- a/packages/babel-plugin-transform-es2015-unicode-regex/README.md
+++ b/packages/babel-plugin-transform-es2015-unicode-regex/README.md
@@ -5,7 +5,7 @@ Compile ES2015 unicode regex to ES5
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-es2015-unicode-regex
+npm install --save-dev babel-plugin-transform-es2015-unicode-regex
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-es3-member-expression-literals/README.md b/packages/babel-plugin-transform-es3-member-expression-literals/README.md
index 995a48174c..e4672582d0 100644
--- a/packages/babel-plugin-transform-es3-member-expression-literals/README.md
+++ b/packages/babel-plugin-transform-es3-member-expression-literals/README.md
@@ -5,7 +5,7 @@ Ensure that reserved words are quoted in property accesses
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-es3-member-expression-literals
+npm install --save-dev babel-plugin-transform-es3-member-expression-literals
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-es3-property-literals/README.md b/packages/babel-plugin-transform-es3-property-literals/README.md
index 088ffa3e81..b094e74a4b 100644
--- a/packages/babel-plugin-transform-es3-property-literals/README.md
+++ b/packages/babel-plugin-transform-es3-property-literals/README.md
@@ -5,7 +5,7 @@ Ensure that reserved words are quoted in object property keys
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-es3-property-literals
+npm install --save-dev babel-plugin-transform-es3-property-literals
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-es5-property-mutators/README.md b/packages/babel-plugin-transform-es5-property-mutators/README.md
index 315e58bc68..12c0b597d6 100644
--- a/packages/babel-plugin-transform-es5-property-mutators/README.md
+++ b/packages/babel-plugin-transform-es5-property-mutators/README.md
@@ -5,7 +5,7 @@ Compile ES5 property mutator shorthand syntax to Object.defineProperty
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-es5-property-mutators
+npm install --save-dev babel-plugin-transform-es5-property-mutators
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-eval/README.md b/packages/babel-plugin-transform-eval/README.md
index 8a5dc40542..ee33b7e197 100644
--- a/packages/babel-plugin-transform-eval/README.md
+++ b/packages/babel-plugin-transform-eval/README.md
@@ -19,7 +19,7 @@ eval("(function () { return 'foo'; })");
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-eval
+npm install --save-dev babel-plugin-transform-eval
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-exponentiation-operator/README.md b/packages/babel-plugin-transform-exponentiation-operator/README.md
index c88d2923c2..dea0a03c01 100644
--- a/packages/babel-plugin-transform-exponentiation-operator/README.md
+++ b/packages/babel-plugin-transform-exponentiation-operator/README.md
@@ -5,7 +5,7 @@ Compile exponentiation operator to ES5
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-exponentiation-operator
+npm install --save-dev babel-plugin-transform-exponentiation-operator
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-export-extensions/README.md b/packages/babel-plugin-transform-export-extensions/README.md
index 81a4784dc3..5a1a60b74b 100644
--- a/packages/babel-plugin-transform-export-extensions/README.md
+++ b/packages/babel-plugin-transform-export-extensions/README.md
@@ -5,7 +5,7 @@ Compile export extensions to ES2015
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-export-extensions
+npm install --save-dev babel-plugin-transform-export-extensions
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-flow-comments/README.md b/packages/babel-plugin-transform-flow-comments/README.md
index 6f9ac1ed40..2c1c58cf49 100644
--- a/packages/babel-plugin-transform-flow-comments/README.md
+++ b/packages/babel-plugin-transform-flow-comments/README.md
@@ -41,7 +41,7 @@ function foo(x /*: number*/) /*: string*/ {}
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-flow-comments
+npm install --save-dev babel-plugin-transform-flow-comments
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-flow-strip-types/README.md b/packages/babel-plugin-transform-flow-strip-types/README.md
index 9c4735518f..01a4a03b6b 100644
--- a/packages/babel-plugin-transform-flow-strip-types/README.md
+++ b/packages/babel-plugin-transform-flow-strip-types/README.md
@@ -5,7 +5,7 @@ Strip flow type annotations from your output code.
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-flow-strip-types
+npm install --save-dev babel-plugin-transform-flow-strip-types
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-function-bind/README.md b/packages/babel-plugin-transform-function-bind/README.md
index 77482c5d5c..26321f0592 100644
--- a/packages/babel-plugin-transform-function-bind/README.md
+++ b/packages/babel-plugin-transform-function-bind/README.md
@@ -5,7 +5,7 @@ Compile function bind operator to ES5
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-function-bind
+npm install --save-dev babel-plugin-transform-function-bind
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-jscript/README.md b/packages/babel-plugin-transform-jscript/README.md
index e9f0f84625..095da826d9 100644
--- a/packages/babel-plugin-transform-jscript/README.md
+++ b/packages/babel-plugin-transform-jscript/README.md
@@ -5,7 +5,7 @@ Babel plugin to fix buggy JScript named function expressions
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-jscript
+npm install --save-dev babel-plugin-transform-jscript
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-object-assign/README.md b/packages/babel-plugin-transform-object-assign/README.md
index 5db3e8d4a2..5e41a6ea21 100644
--- a/packages/babel-plugin-transform-object-assign/README.md
+++ b/packages/babel-plugin-transform-object-assign/README.md
@@ -21,7 +21,7 @@ _extends(a, b);
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-object-assign
+npm install --save-dev babel-plugin-transform-object-assign
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-object-rest-spread/README.md b/packages/babel-plugin-transform-object-rest-spread/README.md
index bd54388786..19f4563b51 100644
--- a/packages/babel-plugin-transform-object-rest-spread/README.md
+++ b/packages/babel-plugin-transform-object-rest-spread/README.md
@@ -14,7 +14,7 @@ z = _extends({ x }, y);
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-object-rest-spread
+npm install --save-dev babel-plugin-transform-object-rest-spread
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-object-set-prototype-of-to-assign/README.md b/packages/babel-plugin-transform-object-set-prototype-of-to-assign/README.md
index fef0abaa87..02e5f5e8e9 100644
--- a/packages/babel-plugin-transform-object-set-prototype-of-to-assign/README.md
+++ b/packages/babel-plugin-transform-object-set-prototype-of-to-assign/README.md
@@ -24,7 +24,7 @@ _defaults(bar, foo);
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-object-set-prototype-of-to-assign
+npm install --save-dev babel-plugin-transform-object-set-prototype-of-to-assign
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-proto-to-assign/README.md b/packages/babel-plugin-transform-proto-to-assign/README.md
index 905e089887..1f41851e8b 100644
--- a/packages/babel-plugin-transform-proto-to-assign/README.md
+++ b/packages/babel-plugin-transform-proto-to-assign/README.md
@@ -45,7 +45,7 @@ _defaults(bar, foo);
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-proto-to-assign
+npm install --save-dev babel-plugin-transform-proto-to-assign
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-react-constant-elements/README.md b/packages/babel-plugin-transform-react-constant-elements/README.md
index 562f4d77cf..3df20956fa 100644
--- a/packages/babel-plugin-transform-react-constant-elements/README.md
+++ b/packages/babel-plugin-transform-react-constant-elements/README.md
@@ -48,7 +48,7 @@ const Hr = () => {
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-react-constant-elements
+npm install --save-dev babel-plugin-transform-react-constant-elements
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-react-display-name/README.md b/packages/babel-plugin-transform-react-display-name/README.md
index 5bdd354bd2..ed29ac0bfa 100644
--- a/packages/babel-plugin-transform-react-display-name/README.md
+++ b/packages/babel-plugin-transform-react-display-name/README.md
@@ -5,7 +5,7 @@ Add displayName to React.createClass calls
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-react-display-name
+npm install --save-dev babel-plugin-transform-react-display-name
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-react-inline-elements/README.md b/packages/babel-plugin-transform-react-inline-elements/README.md
index 17ec1d9214..a69c73b8d4 100644
--- a/packages/babel-plugin-transform-react-inline-elements/README.md
+++ b/packages/babel-plugin-transform-react-inline-elements/README.md
@@ -40,7 +40,7 @@ babelHelpers.jsx(Baz, {
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-react-inline-elements
+npm install --save-dev babel-plugin-transform-react-inline-elements
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-react-jsx-compat/README.md b/packages/babel-plugin-transform-react-jsx-compat/README.md
index 78cf95c320..ed9baf918b 100644
--- a/packages/babel-plugin-transform-react-jsx-compat/README.md
+++ b/packages/babel-plugin-transform-react-jsx-compat/README.md
@@ -25,7 +25,7 @@ var profile = React.DOM.div(null,
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-react-jsx-compat
+npm install --save-dev babel-plugin-transform-react-jsx-compat
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-react-jsx-self/README.md b/packages/babel-plugin-transform-react-jsx-self/README.md
index 1d131d6f1c..7873eb2807 100644
--- a/packages/babel-plugin-transform-react-jsx-self/README.md
+++ b/packages/babel-plugin-transform-react-jsx-self/README.md
@@ -19,7 +19,7 @@ should enable this transform in dev mode.
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-react-jsx-self
+npm install --save-dev babel-plugin-transform-react-jsx-self
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-react-jsx-source/README.md b/packages/babel-plugin-transform-react-jsx-source/README.md
index bb4096e3e4..5b48f8f656 100644
--- a/packages/babel-plugin-transform-react-jsx-source/README.md
+++ b/packages/babel-plugin-transform-react-jsx-source/README.md
@@ -18,7 +18,7 @@ Adds source file and line number to JSX elements.
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-react-jsx-source
+npm install --save-dev babel-plugin-transform-react-jsx-source
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-react-jsx/README.md b/packages/babel-plugin-transform-react-jsx/README.md
index 1a6ce1c1b4..4f7b2c8d8f 100644
--- a/packages/babel-plugin-transform-react-jsx/README.md
+++ b/packages/babel-plugin-transform-react-jsx/README.md
@@ -55,7 +55,7 @@ var profile = dom( "div", null,
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-react-jsx
+npm install --save-dev babel-plugin-transform-react-jsx
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-regenerator/README.md b/packages/babel-plugin-transform-regenerator/README.md
index ddcf18b256..44af687ece 100644
--- a/packages/babel-plugin-transform-regenerator/README.md
+++ b/packages/babel-plugin-transform-regenerator/README.md
@@ -5,7 +5,7 @@ Transform async/generator functions with [regenerator](https://github.com/facebo
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-regenerator
+npm install --save-dev babel-plugin-transform-regenerator
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-transform-runtime/README.md b/packages/babel-plugin-transform-runtime/README.md
index 73710c5306..98eb124fd8 100644
--- a/packages/babel-plugin-transform-runtime/README.md
+++ b/packages/babel-plugin-transform-runtime/README.md
@@ -17,7 +17,7 @@ See the technical details section for more information on how this works and the
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-runtime
+npm install --save-dev babel-plugin-transform-runtime
 ```
 
 It is also recommended you install the `babel-runtime` package as a
diff --git a/packages/babel-plugin-transform-strict-mode/README.md b/packages/babel-plugin-transform-strict-mode/README.md
index 4510bf9c0e..e03dd92c23 100644
--- a/packages/babel-plugin-transform-strict-mode/README.md
+++ b/packages/babel-plugin-transform-strict-mode/README.md
@@ -10,7 +10,7 @@ already.
 ## Installation
 
 ```sh
-npm install babel-plugin-transform-strict-mode
+npm install --save-dev babel-plugin-transform-strict-mode
 ```
 
 ## Usage
diff --git a/packages/babel-plugin-undeclared-variables-check/README.md b/packages/babel-plugin-undeclared-variables-check/README.md
index d403a63e03..34ddfff0fd 100644
--- a/packages/babel-plugin-undeclared-variables-check/README.md
+++ b/packages/babel-plugin-undeclared-variables-check/README.md
@@ -5,7 +5,7 @@ Throw a compile-time error on references to undeclared variables
 ## Installation
 
 ```sh
-npm install babel-plugin-undeclared-variables-check
+npm install --save-dev babel-plugin-undeclared-variables-check
 ```
 
 ## Usage
diff --git a/packages/babel-register/README.md b/packages/babel-register/README.md
index da5ca315de..75925dfc32 100644
--- a/packages/babel-register/README.md
+++ b/packages/babel-register/README.md
@@ -5,7 +5,7 @@ The require hook will bind itself to node's require and automatically compile fi
 ## Install
 
 ```
-npm install babel-register
+npm install --save-dev babel-register
 ```
 
 ## Usage
diff --git a/packages/babel-template/README.md b/packages/babel-template/README.md
index ee7fb624de..9eeb0adf3f 100644
--- a/packages/babel-template/README.md
+++ b/packages/babel-template/README.md
@@ -7,7 +7,7 @@ In computer science, this is known as an implementation of quasiquotes.
 ## Install
 
 ```sh
-npm install babel-template
+npm install --save-dev babel-template
 ```
 
 ## Usage