diff --git a/README.md b/README.md
index accf8cee..a0d3935f 100644
--- a/README.md
+++ b/README.md
@@ -109,3 +109,25 @@ You can launch a bundle report with the following command :
 ```bash
 yarn bundle-report
 ```
+
+## WordPress Editor (Gutenberg)
+
+### Customize blocks
+
+The `bff_editor_custom_settings` filter allow you to customize blocks styles and variations. For example:
+
+```php
+add_filter( 'bff_editor_custom_settings', 'customize_editor_settings', 10, 1 );
+function customize_editor_settings( $settings ) {
+	// Disable all block styles for Separator block
+	$settings[ 'disableAllBlocksStyles' ] = [ 'core/separator' ];
+
+	// Disable specific block style for Button block
+	$settings[ 'disabledBlocksStyles' ]   = [ 'core/button' => [ 'outline' ] ];
+
+	// Allow only YouTube variation for Embed block
+	$settings[ 'allowedBlocksVariations' ] = [ 'core/embed' => [ 'youtube' ] ];
+
+	return $settings;
+}
+```
\ No newline at end of file
diff --git a/inc/Services/Editor.php b/inc/Services/Editor.php
index 46eb68c1..d5cc8955 100644
--- a/inc/Services/Editor.php
+++ b/inc/Services/Editor.php
@@ -203,30 +203,24 @@ public function admin_editor_script(): void {
 		$this->assets_tools->add_inline_script(
 			'theme-admin-editor-script',
 			'const BFFEditorSettings = ' . wp_json_encode(
-				[
-					'disableAllBlocksStyles'  => apply_filters(
-						'bff_editor_disable_all_blocks_styles',
-						[
+				apply_filters(
+					'bff_editor_custom_settings',
+					[
+						'disableAllBlocksStyles' => [
 							'core/separator',
 							'core/quote',
 							'core/pullquote',
 							'core/table',
 							'core/image',
-						]
-					),
-					'disabledBlocksStyles'    => apply_filters(
-						'bff_editor_disabled_blocks_styles',
-						[
+						],
+						'disabledBlocksStyles' => [
 							// 'core/button' => [ 'outline' ]
-						]
-					),
-					'allowedBlocksVariations' => apply_filters(
-						'bff_editor_allowed_blocks_variations',
-						[
+						],
+						'allowedBlocksVariations' => [
 							'core/embed' => [ 'youtube', 'vimeo', 'dailymotion' ],
-						]
-					),
-				]
+						],
+					]
+				)
 			),
 			'before'
 		);
diff --git a/src/js/editor.js b/src/js/editor.js
index c26e98c5..fbed2e49 100644
--- a/src/js/editor.js
+++ b/src/js/editor.js
@@ -1,4 +1,6 @@
-/*global BFFEditorSettings*/
+/* global BFFEditorSettings */
+
+/* Customize BFFEditorSettings in inc/Services/Editor.php or with `bff_editor_custom_settings` filter (see readme). */
 
 import lazySizes from 'lazysizes'
 import 'lazysizes/plugins/native-loading/ls.native-loading'