diff --git a/Shorewall/providers b/Shorewall/providers
index 4ae0b5972..712fca55e 100644
--- a/Shorewall/providers
+++ b/Shorewall/providers
@@ -42,7 +42,8 @@
 #			You can enter "detect" here and Shorewall will
 #			attempt to detect the gateway automatically.
 #
-#			For PPP devices, you can leave this column empty.
+#			[ EXPERIMENTAL ] For PPP devices, you may omit this
+#			column.
 #
 #	OPTIONS		A comma-separated list selected from the following:
 #