diff --git a/Shorewall-core/lib.cli b/Shorewall-core/lib.cli
index dc553f915..c37370423 100644
--- a/Shorewall-core/lib.cli
+++ b/Shorewall-core/lib.cli
@@ -3415,7 +3415,7 @@ usage() # $1 = exit status
     echo "   delete <interface>[:<host-list>] ... <zone>"
     echo "   disable <interface>"
     echo "   drop <address> ..."
-    echo "   dump [ -x ] [ -l ]"
+    echo "   dump [ -x ] [ -l ] [ -m ]"
     echo "   enable <interface>"
     echo "   forget [ <file name> ]"
     echo "   help"