diff --git a/src/Text/Pandoc/Writers/Markdown.hs b/src/Text/Pandoc/Writers/Markdown.hs
index 414acd0dd..0e0563ab3 100644
--- a/src/Text/Pandoc/Writers/Markdown.hs
+++ b/src/Text/Pandoc/Writers/Markdown.hs
@@ -27,7 +27,7 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
 Conversion of 'Pandoc' documents to markdown-formatted plain text.
 
-Markdown:  http://daringfireball.net/projects/markdown/
+Markdown:  <http://daringfireball.net/projects/markdown/>
 -}
 module Text.Pandoc.Writers.Markdown (
                                      writeMarkdown
diff --git a/src/Text/Pandoc/Writers/RST.hs b/src/Text/Pandoc/Writers/RST.hs
index 7ee791f15..1c14a4d7f 100644
--- a/src/Text/Pandoc/Writers/RST.hs
+++ b/src/Text/Pandoc/Writers/RST.hs
@@ -27,7 +27,7 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
 Conversion of 'Pandoc' documents to reStructuredText.
 
-reStructuredText:  http://docutils.sourceforge.net/rst.html
+reStructuredText:  <http://docutils.sourceforge.net/rst.html>
 -}
 module Text.Pandoc.Writers.RST (
                                 writeRST