diff --git a/web/gui/src/main/resources/org/onosproject/ui/lion/core/fw/Mast_ko.properties b/web/gui/src/main/resources/org/onosproject/ui/lion/core/fw/Mast_ko.properties
index af5ac2f..7ac463b 100644
--- a/web/gui/src/main/resources/org/onosproject/ui/lion/core/fw/Mast_ko.properties
+++ b/web/gui/src/main/resources/org/onosproject/ui/lion/core/fw/Mast_ko.properties
@@ -21,3 +21,9 @@
 
 # Logout button
 logout=로그아웃
+
+# UI components added/removed, etc.
+uicomp_added=새로운 GUI 구성요소들이 추가 되었습니다.
+uicomp_removed=몇개의 GUI 구성요소들이 삭제 되었습니다.
+ui_ok_to_update=GUI 업데이트를 위하여 OK를 눌러주세요.
+confirm_refresh_title=GUI 새로고침