diff --git a/index.d.ts b/index.d.ts
index 17b3313..6a04999 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -989,7 +989,7 @@ declare namespace Bull {
     on(event: string, callback: (...args: any[]) => void): this;
 
     /**
-     * An error occured
+     * An error occurred
      */
     on(event: 'error', callback: ErrorEventCallback): this;