diff --git a/doc/README.md b/doc/README.md
index 1969216c2..b757dfa9a 100644
--- a/doc/README.md
+++ b/doc/README.md
@@ -996,7 +996,7 @@ _.forEach({ 'one': 1, 'two': 2, 'three': 3 }, alert);
 ### <a id="_groupbycollection-callbackproperty--thisarg"></a>`_.groupBy(collection, callback|property [, thisArg])`
 <a href="#_groupbycollection-callbackproperty--thisarg">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L2017 "View in source") [&#x24C9;][1]
 
-Creates an object composed of keys returned from running each element of `collection` through a `callback`. The corresponding value of each key is an array of elements passed to `callback` that returned the key. The `callback` is bound to `thisArg` and invoked with three arguments; *(value, index|key, collection)*. The `callback` argument may also be the name of a property to count by *(e.g. 'length')*.
+Creates an object composed of keys returned from running each element of `collection` through a `callback`. The corresponding value of each key is an array of elements passed to `callback` that returned the key. The `callback` is bound to `thisArg` and invoked with three arguments; *(value, index|key, collection)*. The `callback` argument may also be the name of a property to group by *(e.g. 'length')*.
 
 #### Arguments
 1. `collection` *(Array|Object|String)*: The collection to iterate over.
@@ -3084,4 +3084,4 @@ _.uniqueId('contact_');
 <!-- /div -->
 
 
-  [1]: #Arrays "Jump back to the TOC."
\ No newline at end of file
+  [1]: #Arrays "Jump back to the TOC."
diff --git a/lodash.js b/lodash.js
index b770a2db8..d092839b7 100644
--- a/lodash.js
+++ b/lodash.js
@@ -1993,7 +1993,7 @@
    * `collection` through a `callback`. The corresponding value of each key is an
    * array of elements passed to `callback` that returned the key. The `callback`
    * is bound to `thisArg` and invoked with three arguments; (value, index|key, collection).
-   * The `callback` argument may also be the name of a property to count by (e.g. 'length').
+   * The `callback` argument may also be the name of a property to group by (e.g. 'length').
    *
    * @static
    * @memberOf _