diff --git a/.eslintrc.js b/.eslintrc.js
index e96d7f6..aa9d203 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -5,6 +5,13 @@ module.exports = {
 		'react/jsx-boolean-value': 'error',
 		'import/no-unresolved': 'off',
 		'import/no-extraneous-dependencies': 'off',
+		'@wordpress/dependency-group': 'error',
+		'@wordpress/i18n-text-domain': [
+			'error',
+			{
+				allowedTextDomain: 'richtext-extension',
+			},
+		],
 		'prettier/prettier': [
 			'error',
 			{
diff --git a/src/index.js b/src/index.js
index 4a2f6f4..04afa17 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,3 +1,6 @@
+/**
+ * Internal dependencies
+ */
 import './style.scss';
 import './clear-format';
 import './underline';