diff --git a/mobile/lib/module/upload/service/multipart.dart b/mobile/lib/module/upload/service/multipart.dart
index f2a9259aa..ad0d19703 100644
--- a/mobile/lib/module/upload/service/multipart.dart
+++ b/mobile/lib/module/upload/service/multipart.dart
@@ -194,7 +194,7 @@ class MultiPartUploader {
       );
       if (kDebugMode && count > 3) {
         throw Exception(
-          'In debug mode, only one part will be uploaded at a time.',
+          'Forced exception to test multipart upload retry mechanism.',
         );
       }
       final response = await _s3Dio.put(