Rename incorrect Sql sync cmdlets

Author: cormacpayne

src/ResourceManager/Sql/Commands.Sql/help/AzureRM.Sql.md

@@ -341,6 +341,9 @@ Specifies that a database uses the auditing policy of its host server.
 ### [New-AzureRmSqlSyncGroup](New-AzureRmSqlSyncGroup.md)
 Creates an Azure SQL Database Sync Group.
 
+### [Update-AzureRmSqlSyncGroup](Update-AzureRmSqlSyncGroup.md)
+Updates an Azure SQL Database Sync Group.
+
 ### [Get-AzureRmSqlSyncGroup](Get-AzureRmSqlSyncGroup.md)
 Returns information about Azure SQL Database Sync Groups.
 
@@ -359,6 +362,9 @@ Returns the logs of an Azure SQL Database Sync Group.
 ### [New-AzureRmSqlSyncMember](New-AzureRmSqlSyncMember.md)
 Creates an Azure SQL Database Sync Member.
 
+### [Update-AzureRmSqlSyncMember](Update-AzureRmSqlSyncMember.md)
+Updates an Azure SQL Database Sync Member.
+
 ### [Get-AzureRmSqlSyncMember](Get-AzureRmSqlSyncMember.md)
 Returns information about Azure SQL Database Sync Members.
 
@@ -378,4 +384,4 @@ Returns information about Azure SQL Sync Agents.
 Removes an Azure SQL Sync Agent.
 
 ### [Get-AzureRmSqlSyncAgentLinkedDatabase](Get-AzureRmSqlSyncAgentLinkedDatabase.md)
-Returns information about SQL Server databases linked by a sync agent.
+Returns information about SQL Server databases linked by a sync agent.