diff --git a/app/views/help/ui.html.haml b/app/views/help/ui.html.haml
index cf6833c92c83281ccede0a1ab01ab6a9da497e28..58de5b7c869f97fabfc105d5f5d66e893f93d7f3 100644
--- a/app/views/help/ui.html.haml
+++ b/app/views/help/ui.html.haml
@@ -21,6 +21,8 @@
= link_to 'Alerts', '#alerts'
%li
= link_to 'Forms', '#forms'
+ %li
+ = link_to 'Markdown', '#markdown'
%h2#blocks Blocks
@@ -190,3 +192,17 @@
%input{:type => "checkbox"}/
Remember me
%button.btn.btn-default{:type => "submit"} Sign in
+
+ %h2#markdown Markdown
+ %h3
+ %code .md or .wiki and others
+
+ Markdown rendering has a bit different css and presented in next UI elements:
+
+ %ul
+ %li comment
+ %li issue, merge request description
+ %li wiki page
+ %li help page
+
+ You can check how markdown rendered at #{link_to 'Markdown help page', help_page_path("markdown", "markdown")}.