diff --git a/api/src/org/apache/cloudstack/api/BaseAsyncCustomIdCmd.java b/api/src/org/apache/cloudstack/api/BaseAsyncCustomIdCmd.java
index 3e14f80b7d7..e57e0380490 100644
--- a/api/src/org/apache/cloudstack/api/BaseAsyncCustomIdCmd.java
+++ b/api/src/org/apache/cloudstack/api/BaseAsyncCustomIdCmd.java
@@ -20,7 +20,7 @@ package org.apache.cloudstack.api;
 public abstract class BaseAsyncCustomIdCmd extends BaseAsyncCmd {
     @Parameter(name = ApiConstants.CUSTOM_ID,
                type = CommandType.STRING,
-               description = "an optional field, in case you want to set a custom id to the resource. Allowed to Root Admins only")
+ description = "an optional field, in case you want to set a custom id to the resource. Allowed to Root Admins only", since = "4.4")
     private String customId;
 
     public String getCustomId() {
diff --git a/api/src/org/apache/cloudstack/api/BaseCustomIdCmd.java b/api/src/org/apache/cloudstack/api/BaseCustomIdCmd.java
index c930db06ba9..c9c8e040bd9 100644
--- a/api/src/org/apache/cloudstack/api/BaseCustomIdCmd.java
+++ b/api/src/org/apache/cloudstack/api/BaseCustomIdCmd.java
@@ -20,7 +20,7 @@ public abstract class BaseCustomIdCmd extends BaseCmd {
 
     @Parameter(name = ApiConstants.CUSTOM_ID,
                type = CommandType.STRING,
-               description = "an optional field, in case you want to set a custom id to the resource. Allowed to Root Admins only")
+ description = "an optional field, in case you want to set a custom id to the resource. Allowed to Root Admins only", since = "4.4")
     private String customId;
 
     public String getCustomId() {
diff --git a/api/src/org/apache/cloudstack/api/command/user/vpc/UpdateVPCCmd.java b/api/src/org/apache/cloudstack/api/command/user/vpc/UpdateVPCCmd.java
index 60dae31261a..38ecf88e07a 100644
--- a/api/src/org/apache/cloudstack/api/command/user/vpc/UpdateVPCCmd.java
+++ b/api/src/org/apache/cloudstack/api/command/user/vpc/UpdateVPCCmd.java
@@ -42,7 +42,7 @@ public class UpdateVPCCmd extends BaseAsyncCustomIdCmd {
     @Parameter(name = ApiConstants.ID, type = CommandType.UUID, entityType = VpcResponse.class, required = true, description = "the id of the VPC")
     private Long id;
 
-    @Parameter(name = ApiConstants.NAME, type = CommandType.STRING, description = "the name of the VPC", required = true)
+    @Parameter(name = ApiConstants.NAME, type = CommandType.STRING, description = "the name of the VPC")
     private String vpcName;
 
     @Parameter(name = ApiConstants.DISPLAY_TEXT, type = CommandType.STRING, description = "the display text of the VPC")
diff --git a/server/src/com/cloud/network/vpc/VpcManagerImpl.java b/server/src/com/cloud/network/vpc/VpcManagerImpl.java
index 11d8c7ab17a..e5d9ed23e23 100644
--- a/server/src/com/cloud/network/vpc/VpcManagerImpl.java
+++ b/server/src/com/cloud/network/vpc/VpcManagerImpl.java
@@ -776,7 +776,7 @@ public class VpcManagerImpl extends ManagerBase implements VpcManager, VpcProvis
         // Verify input parameters
         VpcVO vpcToUpdate = _vpcDao.findById(vpcId);
         if (vpcToUpdate == null) {
-            throw new InvalidParameterValueException("Unable to find vpc offering " + vpcId);
+            throw new InvalidParameterValueException("Unable to find vpc by id " + vpcId);
         }
 
         _accountMgr.checkAccess(caller, null, false, vpcToUpdate);