diff --git a/api-ref/source/v3/samples/group-create-request.json b/api-ref/source/v3/samples/group-create-request.json
index 3476110974b..9fca2b6bf80 100644
--- a/api-ref/source/v3/samples/group-create-request.json
+++ b/api-ref/source/v3/samples/group-create-request.json
@@ -7,6 +7,6 @@
             "4e9e6d23-eed0-426d-b90a-28f87a94b6fe",
             "c4daaf47-c530-4901-b28e-f5f0a359c4e6"
         ],
-        "availability_zone": "az0",
+        "availability_zone": "az0"
     }
 }
diff --git a/api-ref/source/v3/samples/group-snapshots-create-request.json b/api-ref/source/v3/samples/group-snapshots-create-request.json
index 6b4a7e14471..5de3190d90d 100644
--- a/api-ref/source/v3/samples/group-snapshots-create-request.json
+++ b/api-ref/source/v3/samples/group-snapshots-create-request.json
@@ -2,6 +2,6 @@
     "group_snapshot": {
         "group_id": "6f519a48-3183-46cf-a32f-41815f814546",
         "name": "first_group_snapshot",
-        "description": "first group snapshot",
+        "description": "first group snapshot"
     }
 }
diff --git a/api-ref/source/v3/samples/qos-create-request.json b/api-ref/source/v3/samples/qos-create-request.json
index a5190e80877..c5804651dad 100644
--- a/api-ref/source/v3/samples/qos-create-request.json
+++ b/api-ref/source/v3/samples/qos-create-request.json
@@ -1,5 +1,5 @@
 {
     "qos_specs": {
-        "name": "reliability-spec",
+        "name": "reliability-spec"
     }
 }
diff --git a/api-ref/source/v3/samples/quotas-update-request.json b/api-ref/source/v3/samples/quotas-update-request.json
index 9735bb3cae2..b5c3517f19c 100644
--- a/api-ref/source/v3/samples/quotas-update-request.json
+++ b/api-ref/source/v3/samples/quotas-update-request.json
@@ -4,5 +4,5 @@
         "volumes": 5,
         "volumes_ceph": 3,
         "backups": 4
-    },
+    }
 }