Fix a typo in dashboard customization (#2948)

Author: dabrt

docs/administration/dashboard/customize_dashboard.md

@@ -20,7 +20,7 @@ Customized dashboard displays a set of widgets selected by the user.
 
 ## Manage permissions
 
-To customize dashboard, you need to have `dashboard/cutomize` [policy](permission_overview.md).
+To customize dashboard, you need to have `dashboard/customize` [policy](permission_overview.md).
 
 By default, all the users belonging to the `Editors` user group, have `Dashboard`[role](roles_admin_panel.md) assigned, so they can edit, create, or delete dashboard.
 If, by any reason, you want to narrow this permission, you can set up specific [limitations](limitations.md).