Merge pull request MicrosoftDocs#5275 from mmanou/patch-1

Fix duplication of RetrieveRequest reference in entity-operations-ret…

Author: JimDaly

powerapps-docs/developer/data-platform/org-service/entity-operations-retrieve.md

@@ -41,7 +41,7 @@ Entity entity = svc.Retrieve("account", accountid, new ColumnSet("name"));
 Console.WriteLine("account name: {0}", entity["name"]);
 ```
 
-This example shows using the <xref:Microsoft.Xrm.Sdk.Messages.RetrieveRequest> and <xref:Microsoft.Xrm.Sdk.Messages.RetrieveRequest> classes with the <xref:Microsoft.Xrm.Sdk.IOrganizationService>.<xref:Microsoft.Xrm.Sdk.IOrganizationService.Execute*> method.
+This example shows using the <xref:Microsoft.Xrm.Sdk.Messages.RetrieveRequest> and <xref:Microsoft.Xrm.Sdk.Messages.RetrieveResponse> classes with the <xref:Microsoft.Xrm.Sdk.IOrganizationService>.<xref:Microsoft.Xrm.Sdk.IOrganizationService.Execute*> method.
 
 ```csharp
 RetrieveRequest request = new RetrieveRequest()