diff --git a/docs/en/12-taos-sql/16-json.md b/docs/en/12-taos-sql/16-json.md
index 7460a5e0ba3ce78ee7744569cda460c477cac19c..61c473d120fefba1ec92902f3e68aa7037875a72 100644
--- a/docs/en/12-taos-sql/16-json.md
+++ b/docs/en/12-taos-sql/16-json.md
@@ -52,9 +52,20 @@ title: JSON Type
 
 4. Tag Operations
 
-   The value of a JSON tag can be altered. Please note that the full JSON will be overriden when doing this.
+   The value of a JSON tag can be altered. Please note that the full JSON will be overriden when doing this:
+   
+   ```sql
+   alter table s1_1 set tag info = '{"k1": "v2"}';
+   ```
+
+   The name of a JSON tag can be altered:
+
+   ```sql
+   alter stable s1 change tag info info2 ;
+   ```
+
+   A tag of JSON type can't be added or removed. The column length of a JSON tag can't be changed.
 
-   The name of a JSON tag can be altered. A tag of JSON type can't be added or removed. The column length of a JSON tag can't be changed.
 
 ## Other Restrictions