diff --git a/ppd/PPD.pm b/ppd/PPD.pm
index 09471c32fa40a8d811d929d5e0dd8023ab6059e5..3a8b7867fa9b05f7f35784ff87fa8f330fa7e0c4 100644
--- a/ppd/PPD.pm
+++ b/ppd/PPD.pm
@@ -31,7 +31,8 @@ our @EXPORT = qw(define_group define_ui_group switch_group declare get set maybe
 #		  PS => string,		# PS code to emit (mandatory)
 #		  Default => 1,		# if this is the default value
 #		},
-#	]
+#	],
+#	Default => key,		# default value if not marked inside Values
 # }
 my %keywords = ();