Update 3.alter-tag.md (#824)

vesoft-inc · Oct 22, 2021 · 5fc41fd · 5fc41fd
1 parent 4ff7ba5
commit 5fc41fd
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/docs-2.0/3.ngql-guide/10.tag-statements/3.alter-tag.md b/docs-2.0/3.ngql-guide/10.tag-statements/3.alter-tag.md
@@ -12,7 +12,7 @@
 
 ```ngql
 ALTER TAG <tag_name>
-    <alter_definition> [, alter_definition] ...]
+    <alter_definition> [[, alter_definition] ...]
     [ttl_definition [, ttl_definition] ... ]
     [COMMENT = '<comment>'];