diff --git a/tidb-distributed-execution-framework.md b/tidb-distributed-execution-framework.md
index f1c88d2a8d2b0..1ed889e71eec6 100644
--- a/tidb-distributed-execution-framework.md
+++ b/tidb-distributed-execution-framework.md
@@ -69,8 +69,7 @@ Currently, for TiDB Self-Hosted, the DXF supports the distributed execution of t
 
 ## Limitation
 
-- The DXF can only schedule the distributed execution of one `ADD INDEX` task at a time. If a new `ADD INDEX` task is submitted before the current `ADD INDEX` distributed task has finished, the new task is executed through a transaction.
-- Adding indexes on columns with the `TIMESTAMP` data type through the DXF is not supported, because it might lead to inconsistency between the index and the data.
+The DXF can only schedule the distributed execution of one `ADD INDEX` task at a time. If a new `ADD INDEX` task is submitted before the current `ADD INDEX` distributed task has finished, the new task is executed through a transaction.
 
 ## Prerequisites