diff --git a/docs/rules/restricted-component-names.md b/docs/rules/restricted-component-names.md
index 55e9883b8..1d707baf3 100644
--- a/docs/rules/restricted-component-names.md
+++ b/docs/rules/restricted-component-names.md
@@ -39,7 +39,7 @@ This rule enforces consistency in component names.
 }
 ```
 
-### `"allow"`
+### `"allow: ['/^custom-/']"`
 
 <eslint-code-block :rules="{'vue/restricted-component-names': ['error', { 'allow': ['/^custom-/'] }]}">