diff --git a/doc.html b/doc.html
index a16fd476..686eccff 100644
--- a/doc.html
+++ b/doc.html
@@ -102,7 +102,7 @@
           <h3 id="online">Online maps</h3>
 
           <p>The mapsource definition file format is based on XML and is fairly simple.
-          For the formal map source file syntax see the <a href="map/1/map.xsd">mapsource
+          For the formal map source file syntax see the <a href="map/1.1/map.xsd">mapsource
           XSD file</a>. The paragraphs below are a "human-readable" summary of the XSD
           syntax/semantics divided by map type.</p>