diff --git a/configs/features.conf.sample b/configs/features.conf.sample
index 7534d1616eb4119c797ce7945216d9e6a70af645..f9d9dd45dde79f882a631a3ff2e7155b26e9f6f9 100644
--- a/configs/features.conf.sample
+++ b/configs/features.conf.sample
@@ -83,6 +83,9 @@ context => parkedcalls		; Which context parked calls are in (default parking lot
 ; You can set parkinglot with the CHANNEL dialplan function
 ; or by setting 'parkinglot' directly in the channel configuration file.
 ;
+; (Note: Leading '0's and any non-numerical characters on parkpos extensions
+;  will be ignored.  Parkext on the other hand can be any string.)
+;
 ;[parkinglot_edvina]
 ;context => edvinapark
 ;parkext => 799