added shading.html link
diff --git a/docs/contents.html b/docs/contents.html
index 693145c..21eca4d 100644
--- a/docs/contents.html
+++ b/docs/contents.html
@@ -64,6 +64,7 @@
<ul>
<li><a href="http://sourceforge.net/projects/mesa3d" target="_parent">SourceForge homepage</a>
<li><a href="repository.html" target="MainFrame">Source Code Repository</a>
+<li><a href="shading.html" target="MainFrame">Shading Language</a>
<li><a href="utilities.html" target="MainFrame">Utilities</a>
<li><a href="helpwanted.html" target="MainFrame">Help Wanted</a>
<li><a href="devinfo.html" target="MainFrame">Development Notes</a>