diff --git a/backend/src/main/resources/db/migration/V79__v1.8.1_release.sql b/backend/src/main/resources/db/migration/V79__v1.8.1_release.sql
index 4d0e75059a..4c177ecbc6 100644
--- a/backend/src/main/resources/db/migration/V79__v1.8.1_release.sql
+++ b/backend/src/main/resources/db/migration/V79__v1.8.1_release.sql
@@ -1,3 +1,4 @@
+-- file name length change
 ALTER TABLE file_metadata
     MODIFY name VARCHAR(250) NOT NULL COMMENT 'File name';
 -- api_scenario_report modify column length