diff --git a/specification/sql/resource-manager/Microsoft.Sql/preview/2023-05-01-preview/IPv6FirewallRules.json b/specification/sql/resource-manager/Microsoft.Sql/preview/2023-05-01-preview/IPv6FirewallRules.json
index 4043a046a9e7..0101336dfa32 100644
--- a/specification/sql/resource-manager/Microsoft.Sql/preview/2023-05-01-preview/IPv6FirewallRules.json
+++ b/specification/sql/resource-manager/Microsoft.Sql/preview/2023-05-01-preview/IPv6FirewallRules.json
@@ -90,7 +90,7 @@
           "200": {
             "description": "Successfully retrieved the specified IPv6 firewall rule.",
             "schema": {
-              "$ref": "#/definitions/IPv6 FirewallRule"
+              "$ref": "#/definitions/IPv6FirewallRule"
             }
           },
           "default": {
@@ -129,7 +129,7 @@
             "description": "The required parameters for creating or updating an IPv6 firewall rule.",
             "required": true,
             "schema": {
-              "$ref": "#/definitions/IPv6 FirewallRule"
+              "$ref": "#/definitions/IPv6FirewallRule"
             }
           },
           {
@@ -143,7 +143,7 @@
           "200": {
             "description": "Successfully updated the IPv6 firewall rule.",
             "schema": {
-              "$ref": "#/definitions/IPv6 FirewallRule"
+              "$ref": "#/definitions/IPv6FirewallRule"
             }
           },
           "default": {
@@ -152,7 +152,7 @@
           "201": {
             "description": "Successfully created the IPv6 firewall rule.",
             "schema": {
-              "$ref": "#/definitions/IPv6 FirewallRule"
+              "$ref": "#/definitions/IPv6FirewallRule"
             }
           }
         },
@@ -212,7 +212,7 @@
     }
   },
   "definitions": {
-    "IPv6 FirewallRule": {
+    "IPv6FirewallRule": {
       "description": "An IPv6 server firewall rule.",
       "type": "object",
       "allOf": [
@@ -236,7 +236,7 @@
           "description": "Array of results.",
           "type": "array",
           "items": {
-            "$ref": "#/definitions/IPv6 FirewallRule"
+            "$ref": "#/definitions/IPv6FirewallRule"
           },
           "readOnly": true
         },