Fix markdown issue.
diff --git a/README.mdown b/README.mdown
index b41e9ed..83eacd2 100644
--- a/README.mdown
+++ b/README.mdown
@@ -47,7 +47,7 @@
 contributors, please see the [AUTHORS](AUTHORS) file.
 
 Any questions, tips, or general discussion can be posted to our Google group:
-    http://groups.google.com/group/gitflow-users
+http://groups.google.com/group/gitflow-users
 
 
 License terms