--- a/translate/doc/index.html
+++ b/translate/doc/index.html
@@ -24,7 +24,7 @@
         </p>
         <ul>
             <li><a href="user/toolkit-index.html">User documentation</a></li>
-            <li><a href="api/index.html">API documentation</a> (for programmers)</li>
+            <li><a href="../../translate-toolkit-dev-doc/html/api/index.html">API documentation</a> (for programmers; need the translate-toolkit-dev-doc package)</li>
         </ul>
 
         The most up-to-date documentation about the Translate Toolkit is 
