Updated README

README.md

@@ -213,7 +213,7 @@ TiptapEditor::make('content')
 
 ## Overrides
 
-The Link and Media modals are built using Filament Form Component Actions. This means it is easy enough to swap them out with your own implementations.
+The Link, Media and Grid Builder modals are built using Filament Form Component Actions. This means it is easy enough to swap them out with your own implementations.
 
 ### Link Modal
 
@@ -227,6 +227,12 @@ You may override the default Media modal with your own Action and assign to the
 
 See `vendor/awcodes/filament-tiptap-editor/src/Actions/MediaAction.php` for implementation.
 
+### Grid Builder Modal
+
+You may override the default Grid Builder modal with your own Action and assign to the `grid_builder_action` key in the config file. Make sure the default name for your action is `filament_tiptap_grid`.
+
+See `vendor/awcodes/filament-tiptap-editor/src/Actions/GridBuilderAction.php` for implementation.
+
 ### Initial height of editor field
 
 You can add extra input attributes to the field with the `extraInputAttributes()` method. This allows you to do things like set the initial height of the editor.