diff --git a/app/views/projects/wikis/git_access.html.haml b/app/views/projects/wikis/git_access.html.haml
index e25d6a48573..a1db57739f4 100644
--- a/app/views/projects/wikis/git_access.html.haml
+++ b/app/views/projects/wikis/git_access.html.haml
@@ -14,6 +14,10 @@
 
   .wiki-git-access
     %h3 Install Gollum
+    %p= It is recommended to install github-markdown so that GFM features render locally
+    %pre.dark
+      :preserve
+        gem install github-markdown
     %pre.dark
       :preserve
         gem install gollum