diff --git a/lodash.js b/lodash.js
index 77914a788..591505233 100644
--- a/lodash.js
+++ b/lodash.js
@@ -7311,7 +7311,7 @@
      * @memberOf _
      * @category Collection
      * @param {Array|Object} collection The collection to iterate over.
-     * @param {Function|Object|string} [iteratee=_.identity] The iteratee invoked per element.
+     * @param {Function|Object|string} [iteratee=_.identity] The iteratee to transform keys.
      * @returns {Object} Returns the composed aggregate object.
      * @example
      *
@@ -7535,14 +7535,14 @@
     /**
      * Creates an object composed of keys generated from the results of running
      * each element of `collection` through `iteratee`. The corresponding value
-     * of each key is an array of the elements responsible for generating the key.
+     * of each key is an array of elements responsible for generating the key.
      * The iteratee is invoked with one argument: (value).
      *
      * @static
      * @memberOf _
      * @category Collection
      * @param {Array|Object} collection The collection to iterate over.
-     * @param {Function|Object|string} [iteratee=_.identity] The iteratee invoked per element.
+     * @param {Function|Object|string} [iteratee=_.identity] The iteratee to transform keys.
      * @returns {Object} Returns the composed aggregate object.
      * @example
      *
@@ -7647,7 +7647,7 @@
      * @memberOf _
      * @category Collection
      * @param {Array|Object} collection The collection to iterate over.
-     * @param {Function|Object|string} [iteratee=_.identity] The iteratee invoked per element.
+     * @param {Function|Object|string} [iteratee=_.identity] The iteratee to transform keys.
      * @returns {Object} Returns the composed aggregate object.
      * @example
      *