diff --git a/Shorewall/Perl/Shorewall/Rules.pm b/Shorewall/Perl/Shorewall/Rules.pm
index 72c5740c2..9774eba4b 100644
--- a/Shorewall/Perl/Shorewall/Rules.pm
+++ b/Shorewall/Perl/Shorewall/Rules.pm
@@ -129,7 +129,7 @@ sub split_action ( $ ) {
 #
 # Create a normalized action name from the passed pieces.
 #
-# Internally, actions are identified by a 4-tuple that 
+# Internally, action invocations are uniquely identified by a 4-tuple that 
 # includes the action name, log level, log tag and params. The pieces of the tuple
 # are separated by ":". 
 #