diff --git a/plugins/notifications-backend-module-slack/config.d.ts b/plugins/notifications-backend-module-slack/config.d.ts
index 33ee2a346b..17a4e25e0d 100644
--- a/plugins/notifications-backend-module-slack/config.d.ts
+++ b/plugins/notifications-backend-module-slack/config.d.ts
@@ -54,6 +54,7 @@ export interface Config {
            */
           channel: string | string[];
         }>;
+        /**
          * Concurrency limit for Slack notifications per backend instance of the notifications plugin, defaults to 10.
          */
         concurrencyLimit?: number;