diff --git a/api/apps/kb_app.py b/api/apps/kb_app.py
index 6f3e6c743..43e6e4eac 100644
--- a/api/apps/kb_app.py
+++ b/api/apps/kb_app.py
@@ -49,7 +49,7 @@ def create():
         return get_data_error_result(message="Dataset name can't be empty.")
     if len(dataset_name.encode("utf-8")) > DATASET_NAME_LIMIT:
         return get_data_error_result(
-            message=f"Dataset name length is {len(dataset_name)} which is large than {DATASET_NAME_LIMIT}")
+            message=f"Dataset name length is {len(dataset_name)} which is larger than {DATASET_NAME_LIMIT}")
 
     dataset_name = dataset_name.strip()
     dataset_name = duplicate_name(