--- a/chm.rst	Sat Sep 19 13:40:16 2015 +0300
+++ b/chm.rst	Sat Sep 19 14:40:51 2015 +0300
@@ -11,7 +11,9 @@
 
   http://www.nongnu.org/chmspec/
     HTML Help Projects.
-  http://www.nongnu.org/chmspec/latest/
+  http://chmspec.nongnu.org/
+    HTML Help Projects.
+  http://chmspec.nongnu.org/latest/
     Unofficial (Preliminary) HTML Help Specification.
   http://savannah.nongnu.org/projects/chmspec
     Unofficial CHM Specification.
@@ -19,6 +21,11 @@
     Matthew Russotto's Microsoft's HTML Help format description.
   http://msdn.microsoft.com/en-us/library/ms669980.aspx
     HTML Help Frequently Asked Questions.
+  http://kb.helpwaregroup.com/ms-html-help/hh_info
+     HH Info, version history
+  http://kb.helpwaregroup.com/ms-html-help/hh-faq
+     FAQ
+
 
 Alternatives.
 =============
@@ -34,7 +41,7 @@
 Microsoft HTML Help.
 ====================
 
-  http://msdn.microsoft.com/en-us/library/ms669985
+  https://msdn.microsoft.com/en-us/library/ms669985
     Microsoft HTML Help Downloads.
   http://www.microsoft.com/en-us/download/details.aspx?id=21138
     HTML Help Workshop and Documentation.
@@ -138,3 +145,8 @@
 Because ``cp1251`` contains all Cyrillic letters while ``cp866`` only Russian
 and content/index file require only ``cp1251`` I recommend to use only
 ``cp1251`` for ``.html`` files.
+
+See:
+
+ * http://kb.helpwaregroup.com/ms-html-help/hh-tips-tricks/jp
+