docs(orderBy): fix typo in orderBy.js documentation

Closes angular#3838

Author: jesselpalmer

src/ng/filter/orderBy.js

@@ -49,7 +49,7 @@
          <table class="friend">
            <tr>
              <th><a href="" ng-click="predicate = 'name'; reverse=false">Name</a>
-                 (<a href ng-click="predicate = '-name'; reverse=false">^</a>)</th>
+                 (<a href="" ng-click="predicate = '-name'; reverse=false">^</a>)</th>
              <th><a href="" ng-click="predicate = 'phone'; reverse=!reverse">Phone Number</a></th>
              <th><a href="" ng-click="predicate = 'age'; reverse=!reverse">Age</a></th>
            </tr>