diff --git a/app/views/shared/_markdown_help.html.haml b/app/views/shared/_markdown_help.html.haml
index 55fa128d3..90c1249cf 100644
--- a/app/views/shared/_markdown_help.html.haml
+++ b/app/views/shared/_markdown_help.html.haml
@@ -1,5 +1,5 @@
 You can use
-= link_to 'Markdown', 'http://daringfireball.net/projects/markdown/syntax/'
+= link_to 'Markdown', 'https://daringfireball.net/projects/markdown/syntax/'
 to format your text.
 %br/
 For instance, *italic*, **bold**, or a link [like this](http://to.some.site.com/).