diff --git a/src/sql/optimizer/ob_delete_log_plan.cpp b/src/sql/optimizer/ob_delete_log_plan.cpp
index d34e59e5b0d04bffe25a766fad0436ab218eae2f..5017d3c02f5fca08327ae5c7bb6048af63214585 100644
--- a/src/sql/optimizer/ob_delete_log_plan.cpp
+++ b/src/sql/optimizer/ob_delete_log_plan.cpp
@@ -133,7 +133,7 @@ int ObDeleteLogPlan::generate_raw_plan()
   //                  EX OUT
   //                     DELETE (p1)
   //                        .....
-  // (2) norale delete plan:
+  // (2) normal delete plan:
   //      ....
   //         MULTI PART DELETE
   //                 EX IN