optimized keys, values, and pluck

index.html

@@ -298,8 +298,8 @@ _.invoke([[5, 1, 7], [3, 2, 1]], 'sort');
       <p id="pluck">
         <b class="header">pluck</b><code>_.pluck(list, propertyName)</code>
         <br />
-        An optimized version of what is perhaps the most common use-case for 
-        <b>map</b>: returning a list of property values.
+        An convenient version of what is perhaps the most common use-case for 
+        <b>map</b>: extracting a list of property values.
       </p>
       <pre>
 var stooges = [{name : 'moe', age : 40}, {name : 'larry', age : 50}, {name : 'curly', age : 60}];