diff --git a/sc/sc2300a.uml b/sc/sc2300a.uml
index 534a2b9d9..f04ebc159 100755
--- a/sc/sc2300a.uml
+++ b/sc/sc2300a.uml
@@ -186,3 +186,4 @@ BEGIN
 END
 
 ENDPAGE
+ENDMASK