Add a comment about the config. file syntax
--- a/mcabber/mcabberrc.example Thu Oct 13 19:58:58 2005 +0200
+++ b/mcabber/mcabberrc.example Fri Oct 21 23:13:54 2005 +0200
@@ -1,5 +1,9 @@
# Sample ~/.mcabber/mcabberrc file
+# Note about this file syntax:
+# - Leading and trailing spaces are ignored.
+# - Empty lines and lines beginning with a '#' are ignored.
+
# The jid will be the following: username@server
# If your jid's domain name is different from the server name,
# you can specify your complete jid as username.