diff --git a/DBC_Converter.py b/DBC_Converter.py
index a6beda6..e251b2c 100644
--- a/DBC_Converter.py
+++ b/DBC_Converter.py
@@ -111,27 +111,27 @@ class MainView(QtWidgets.QMainWindow):
 
         # 툴바 추가
         self.toolbar = self.addToolBar("Main Toolbar")
-        add_file_action = QtWidgets.QAction(QtGui.QIcon("img/add_file.png"), "파일 추가", self)
+        add_file_action = QtWidgets.QAction(QtGui.QIcon("img/add_file.png"), "파일 추가\n(Ctrl+O)", self)
         add_file_action.setShortcut('Ctrl+O')
         add_file_action.triggered.connect(self.FilesOpen)
         self.toolbar.addAction(add_file_action)
 
-        delete_file_action = QtWidgets.QAction(QtGui.QIcon("img/delete_file.png"), "선택 파일 삭제", self)
+        delete_file_action = QtWidgets.QAction(QtGui.QIcon("img/delete_file.png"), "선택 파일 삭제\n(Delete)", self)
         delete_file_action.setShortcut('Delete')
         delete_file_action.triggered.connect(self.deleteSelectedFiles)
         self.toolbar.addAction(delete_file_action)
 
-        delete_all_action = QtWidgets.QAction(QtGui.QIcon("img/delete_all.png"), "모든 파일 삭제", self)
+        delete_all_action = QtWidgets.QAction(QtGui.QIcon("img/delete_all.png"), "모든 파일 삭제\n(Ctrl+Shift+Delete)", self)
         delete_all_action.setShortcut('Ctrl+Shift+Delete')
         delete_all_action.triggered.connect(self.deleteAllFiles)
         self.toolbar.addAction(delete_all_action)
 
-        delete_description_action = QtWidgets.QAction(QtGui.QIcon("img/delete_description.png"), "알림창 내용 삭제", self)
+        delete_description_action = QtWidgets.QAction(QtGui.QIcon("img/delete_description.png"), "알림창 내용 삭제\n(Ctrl+Shift+D)", self)
         delete_description_action.setShortcut('Ctrl+Shift+D')
         delete_description_action.triggered.connect(self.clearAlerts)
         self.toolbar.addAction(delete_description_action)
 
-        convert_action = QtWidgets.QAction(QtGui.QIcon("img/convert.png"), "변환", self)
+        convert_action = QtWidgets.QAction(QtGui.QIcon("img/convert.png"), "변환\n(Ctrl+R)", self)
         convert_action.setShortcut('Ctrl+R')
         convert_action.triggered.connect(self.convertFiles)
         self.toolbar.addAction(convert_action)