Update documentation

api-guide/validators/index.html

@@ -417,9 +417,14 @@
 
           <div id="main-content" class="span9">
             
+              
+                <a class="github" href="https://github.com/tomchristie/django-rest-framework/tree/master/rest_framework/validators.py">
+                  <span class="label label-info">validators.py</span>
+                </a>
+              
+            
 
-            <p><a class="github" href="validators.py"></a></p>
-<hr />
+            <hr />
 <p><strong>Note</strong>: This is the documentation for the <strong>version 3.0</strong> of REST framework. Documentation for <a href="http://tomchristie.github.io/rest-framework-2-docs/">version 2.4</a> is also available.</p>
 <hr />
 <h1 id="validators">Validators</h1>