diff --git a/lib/6to5/types/index.js b/lib/6to5/types/index.js
index d874496bdd..d58fbf1372 100644
--- a/lib/6to5/types/index.js
+++ b/lib/6to5/types/index.js
@@ -127,9 +127,7 @@ t.toComputedKey = function (node, key) {
 };
 
 /*
- * Shallowly checks to see if the passed `node` will evaluate to a
- * falsy. This is if `node` is a `Literal` and `value` is falsy or
- * `node` is an `Identifier` with a name of `undefiend`.
+ * Shallowly checks to see if the passed `node` is falsy.
  *
  * @param {Object} node
  * @returns {Boolean}