--- src/cf.data.pre.orig	2012-10-20 14:39:49.000000000 +0200
+++ src/cf.data.pre	2012-10-28 11:28:18.000000000 +0100
@@ -3479,6 +3479,10 @@
 LOC: Config.pidFilename
 DOC_START
 	A filename to write the process-id to.  To disable, enter "none".
+
+	Note: If you change this setting, you need to set squid_pidfile
+	in /etc/rc.conf to reflect the new value. Please see
+	%%PREFIX%%/etc/rc.d/squid for details.
 DOC_END
 
 NAME: log_fqdn