diff --git a/packages/plugins/other/visitor-plugin-common/src/base-documents-visitor.ts b/packages/plugins/other/visitor-plugin-common/src/base-documents-visitor.ts
index 94ed2ed07e9..394804884e3 100644
--- a/packages/plugins/other/visitor-plugin-common/src/base-documents-visitor.ts
+++ b/packages/plugins/other/visitor-plugin-common/src/base-documents-visitor.ts
@@ -172,6 +172,7 @@ export interface RawDocumentsConfig extends RawTypesConfig {
    *    },
    *  };
    *  export default config;
+   * ```
    */
   customDirectives?: CustomDirectivesConfig;
 }