diff --git a/doc/README.md b/doc/README.md
index a9d81ce54..43a3e5ce4 100644
--- a/doc/README.md
+++ b/doc/README.md
@@ -2589,7 +2589,7 @@ _.keys({ 'one': 1, 'two': 2, 'three': 3 });
 ### <a id="_mergeobject--source1-source2-"></a>`_.merge(object [, source1, source2, ...])`
 <a href="#_mergeobject--source1-source2-">#</a> [&#x24C8;](https://github.com/bestiejs/lodash/blob/master/lodash.js#L1743 "View in source") [&#x24C9;][1]
 
-Merges enumerable properties of the source object(s) into the `destination` object. Subsequent sources will overwrite propery assignments of previous sources.
+Recursively merges own enumerable properties of the source object(s), that don't resolve to `null`/`undefined`, into the `destination` object. Subsequent sources will overwrite propery assignments of previous sources.
 
 #### Arguments
 1. `object` *(Object)*: The destination object.
diff --git a/lodash.js b/lodash.js
index 393d3937b..4f28eb93c 100644
--- a/lodash.js
+++ b/lodash.js
@@ -1710,9 +1710,9 @@
   }
 
   /**
-   * Merges enumerable properties of the source object(s) into the `destination`
-   * object. Subsequent sources will overwrite propery assignments of previous
-   * sources.
+   * Recursively merges own enumerable properties of the source object(s), that
+   * don't resolve to `null`/`undefined`, into the `destination` object. Subsequent
+   * sources will overwrite propery assignments of previous sources.
    *
    * @static
    * @memberOf _