diff --git a/lib/6to5/transformation/transformers/es6/classes.js b/lib/6to5/transformation/transformers/es6/classes.js
index 5cdf30ceea..4a6bf90b4f 100644
--- a/lib/6to5/transformation/transformers/es6/classes.js
+++ b/lib/6to5/transformation/transformers/es6/classes.js
@@ -35,7 +35,7 @@ exports.ClassExpression = function (node, parent, scope, file) {
  * @param {Node} node
  * @param {File} file
  * @param {Scope} scope
- * @param {Boolean} closure
+ * @param {Boolean} isStatement
  */
 
 function ClassTransformer(node, file, scope, isStatement) {