Merge pull request #519 from xesarni/master

Updated Polish translation

_locales/pl/messages.json

@@ -416,7 +416,7 @@
 		"description": "Options page label: 'default mode > remove elements'"
 	},
 	"optionDefaultEditorModeCutExternal": {
-		"message": "remove external elements",
+		"message": "usuń elementy zewnętrzne",
 		"description": "Options page label: 'default mode > remove external elements'"
 	},
 	"optionApplySystemTheme": {