diff --git a/lib/gollum/frontend/public/gollum/livepreview/readme.md b/lib/gollum/frontend/public/gollum/livepreview/readme.md
index 9c7a6276..d1b7575e 100644
--- a/lib/gollum/frontend/public/gollum/livepreview/readme.md
+++ b/lib/gollum/frontend/public/gollum/livepreview/readme.md
@@ -41,6 +41,6 @@ Using jQuery v1.7.2.
 - Download latest production version from [jquery.com](http://www.jquery.com).
 
 ## Pagedown
-The Pagedown code used is from revision `44a4db795617`, Mar 2, 2012 (currently the newest version at the time of writing this document). Markdown.Converter.js has been enhanced to support Gollum style code highlighting.
+The Pagedown code used is from revision `44a4db795617`, Mar 2, 2012 (currently the newest version at the time of writing this document). Markdown.Converter.js has been enhanced to support Gollum style code highlighting. Markdown.Sanitizer.js has been fixed to not remove h4-6.
 
 `https://code.google.com/p/pagedown/source/detail?r=44a4db795617288ae9817c90735fb497891ede23`