diff --git a/docs/sql-migration-guide.md b/docs/sql-migration-guide.md
index 04ec327b7cd75..7507ce879d3aa 100644
--- a/docs/sql-migration-guide.md
+++ b/docs/sql-migration-guide.md
@@ -340,6 +340,10 @@ license: |
 
   - Since Spark 3.0, `SHOW TBLPROPERTIES` on a temporary view will cause `AnalysisException`. In Spark version 2.4 and earlier, it returned an empty result.
 
+## Upgrading from Spark SQL 2.4.4 to 2.4.5
+
+  - Since Spark 2.4.5, `TRUNCATE TABLE` command tries to set back original permission and ACLs during re-creating the table/partition paths. To restore the behaviour of earlier versions, set `spark.sql.truncateTable.ignorePermissionAcl.enabled` to `true`.
+
 ## Upgrading from Spark SQL 2.4 to 2.4.1
 
   - The value of `spark.executor.heartbeatInterval`, when specified without units like "30" rather than "30s", was