diff --git a/sql/tidb-specific.md b/sql/tidb-specific.md
index 6d5a865867ae..a0a0c8f03552 100644
--- a/sql/tidb-specific.md
+++ b/sql/tidb-specific.md
@@ -327,4 +327,4 @@ DELETE 语句示例：```DELETE FROM t WHERE _tidb_rowid = 1;```
 
 CREATE TABLE 语句示例: ```CREATE TABLE t (c int) SHARD_ROW_ID_BITS = 4;```
 
-ALTER TABLE 语句示例： ```ALTER TABLE MODIFY t SHARD_ROW_ID_BITS = 4;```
+ALTER TABLE 语句示例： ```ALTER TABLE t SHARD_ROW_ID_BITS = 4;```