diff --git a/lib/6to5/transformation/transformers/let-scoping.js b/lib/6to5/transformation/transformers/let-scoping.js
index a61674e9c6..5de50a4063 100644
--- a/lib/6to5/transformation/transformers/let-scoping.js
+++ b/lib/6to5/transformation/transformers/let-scoping.js
@@ -336,7 +336,7 @@ LetScoping.prototype.getLetReferences = function () {
  * Turn a `VariableDeclaration` into an array of `AssignmentExpressions` with
  * their declarations hoisted to before the closure wrapper.
  *
- * @param {VariableDeclaration} node
+ * @param {Node} node VariableDeclaration
  * @returns {Array}
  */
 
@@ -360,8 +360,8 @@ LetScoping.prototype.buildPushDeclar = function (node) {
 /**
  * Push the closure to the body.
  *
- * @param {Identifier} ret
- * @param {CallExpression} call
+ * @param {Node} ret Identifier
+ * @param {Node} call CallExpression
  */
 
 LetScoping.prototype.build = function (ret, call) {
@@ -376,8 +376,8 @@ LetScoping.prototype.build = function (ret, call) {
 /**
  * Description
  *
- * @param {Identifier} ret
- * @param {CallExpression} call
+ * @param {Node} ret Identifier
+ * @param {Node} call CallExpression
  */
 
 LetScoping.prototype.buildHas = function (ret, call) {