Adding some translations

public/locales/en/layout/header/actions/toggle-edit-mode.json

@@ -1,5 +1,6 @@
 {
     "tooltip": "The edit mode enables you to configure your dashboard",
+    "description": "In edit mode, you can adjust the size and position of your tiles.",
     "button": {
         "disabled": "Enter Edit Mode",
         "enabled": "Exit and Save"