diff --git a/htmlcssguide.xml b/htmlcssguide.xml
index 6308ee2..4ad486c 100644
--- a/htmlcssguide.xml
+++ b/htmlcssguide.xml
@@ -1,4 +1,5 @@
 <?xml version="1.0"?>
+<?xml-stylesheet type="text/xsl" href="styleguide.xsl"?>
 <GUIDE title="Google HTML/CSS Style Guide">
   <p class="revision">