--- a/chm.rst	Sun Aug 14 12:37:22 2011 +0300
+++ b/chm.rst	Sun Aug 14 15:22:07 2011 +0300
@@ -8,6 +8,8 @@
                 Unofficial (Preliminary) HTML Help Specification
   http://www.speakeasy.org/~russotto/chm/chmformat.html
                 Matthew Russotto's Microsoft's HTML Help format description
+  http://msdn.microsoft.com/en-us/library/ms669980.aspx
+                HTML Help Frequently Asked Questions
 
 * Alternatives.