Corrected snippet reference (#3111)

Author: Youssef1313

xml/System.Collections.Concurrent/ConcurrentBag`1.xml

@@ -76,8 +76,8 @@
 ## Examples  
  The following example shows how to add and remove items from a <xref:System.Collections.Concurrent.ConcurrentBag%601>:  
   
- [!code-csharp[System.Collections.Concurrent.ConcurrentBag#1](~/samples/snippets/csharp/api/system.collections.concurrent/concurrentbag/concbag.cs)]
- [!code-vb[System.Collections.Concurrent.ConcurrentBag#1](~/samples/snippets/visualbasic/api/system.collections.concurrent/concurrentbag/concbag.vb)]  
+ [!code-csharp[System.Collections.Concurrent.ConcurrentBag#1](~/samples/snippets/csharp/api/system.collections.concurrent/concurrentbag/concbag.cs#1)]
+ [!code-vb[System.Collections.Concurrent.ConcurrentBag#1](~/samples/snippets/visualbasic/api/system.collections.concurrent/concurrentbag/concbag.vb#1)]  
   
  ]]></format>
     </remarks>