diff --git a/functions-and-operators/tidb-functions.md b/functions-and-operators/tidb-functions.md
index 3ea6d57e8cc9b..ef6d872763094 100644
--- a/functions-and-operators/tidb-functions.md
+++ b/functions-and-operators/tidb-functions.md
@@ -385,3 +385,5 @@ SELECT CURRENT_RESOURCE_GROUP();
 | rg2                      |
 +--------------------------+
 1 row in set (0.00 sec)
+```
+