diff --git a/config/petidomo.acl b/config/petidomo.acl
index 29f0790..d9a8f40 100644
--- a/config/petidomo.acl
+++ b/config/petidomo.acl
@@ -1,11 +1,9 @@
 #
-# ~petidomo/etc/acl
-#
 # $Header$
 #
 
 # Catch anything looks like it does not come from a human sender.
 IF   (envelope matches "[^@]*(-)?owner(-)?[^@]*@|mailer-daemon@")
-  OR (header matches "^Precedence:[	 ]*(junk|list|bulk)")
+  OR (header matches "^Precedence:[      ]*(junk|list|bulk)")
   OR (header matches "^Auto-Submitted:" AND NOT header matches "^Auto-Submitted: *no$")
-	then forward "petidomo-manager";
+        then forward "petidomo-manager";