diff --git a/doc/gf-index.html b/doc/gf-index.html
index c5fa3528a..a6d087ce6 100644
--- a/doc/gf-index.html
+++ b/doc/gf-index.html
@@ -128,7 +128,7 @@ on editing in the Java interface.
 on writing GF grammars, with exercises.
 
 </li><li>
-<a href="doc/short/gf-short.html">
+<a href="doc/short/01-gf-short.html">
 GF in 25 Minutes</a> for programmers.
 
 </li><li>