diff --git a/packages/ra-core/src/types.ts b/packages/ra-core/src/types.ts
index 3b210fee4d6..174c6cd32d8 100644
--- a/packages/ra-core/src/types.ts
+++ b/packages/ra-core/src/types.ts
@@ -248,8 +248,8 @@ export type OnSuccess = (
     context?: any
 ) => void;
 
-// @deprecated - use OnError instead
 export type OnError = (error?: any, variables?: any, context?: any) => void;
+// @deprecated - use OnError instead
 export type onError = OnError;
 
 export type TransformData = (