diff --git a/Doc/Devel/index.html b/Doc/Devel/index.html
index 55c612ec3..4ddc63a76 100644
--- a/Doc/Devel/index.html
+++ b/Doc/Devel/index.html
@@ -21,6 +21,7 @@ The following documentation describe the internal APIs used by SWIG.  These may
 <li><a href="parm.html">Parameter and Parameter list handling functions</a>
 <li><a href="scanner.html">Generic C/C++ Scanner interface</a>
 <li><a href="wrapobj.html">Wrapper objects</a>.
+<li><a href="runtime.txt">SWIG Runtime</a>.
 </ul>
 
 <hr>