diff --git a/docs/en/sql-reference/functions/ip-address-functions.md b/docs/en/sql-reference/functions/ip-address-functions.md
index ab64fdc74d57bca373de554f666e26a1bdd6e0ec..616b912b32c048d8a76d373306ebf333039ba63e 100644
--- a/docs/en/sql-reference/functions/ip-address-functions.md
+++ b/docs/en/sql-reference/functions/ip-address-functions.md
@@ -301,7 +301,7 @@ Result:
 └─────────────────────────┘
 ```
 
-## isIPv6String {#isipv4string}
+## isIPv6String {#isipv6string}
 
 Determines whether the input string is an IPv6 address or not.