branching link fix

Author: schacon

branching/index.html

@@ -476,7 +476,7 @@ <h2>
       <a target="new" href="http://www.kernel.org/pub/software/scm/git/docs/git-log.html">docs</a> &nbsp;
       <a target="new" href="http://progit.org/book/">book</a>
     </span>
-    <a name="branch">git log</a>
+    <a name="log">git log</a>
     <span class="desc">show commit history of a branch</span>
   </h2>