--- a/exim4.conf	Fri Dec 20 23:43:00 2013 +0100
+++ b/exim4.conf	Fri Dec 20 23:46:25 2013 +0100
@@ -1,6 +1,6 @@
 # this is by no way a complete configuration file!
 # it's just intended as a starting point
-# source: hg clone http://ssl.schlittermann.de/hg/exim-smart-config
+# source: hg clone https://ssl.schlittermann.de/hg/exim-smart-config
 
 # The providers file
 # ------------------