Added message links

PR approved by Jim Daly

Author: phecke

powerapps-docs/developer/common-data-service/cds-sql-query.md

@@ -96,9 +96,9 @@ The following Common Data Service datatypes are not supported with the SQL conne
 > group by act.activityid, act.subject
 > ```
 
-## Plugins
+## Plug-ins
 
-Querying data using SQL does not trigger any plugins registered on the `RetrieveMultiple` or `Retrieve` messages. Any re-writing of the query or results that would normally be performed by such a plugin will therefore not take effect for a SQL query.
+Querying data using SQL does not trigger any plug-ins registered on the <xref:Microsoft.Xrm.Sdk.Messages.RetrieveMultipleRequest> or <xref:Microsoft.Xrm.Sdk.Messages.RetrieveRequest> messages. Any re-writing of the query or results that would normally be performed by such a plug-in will therefore not take effect for a SQL query.
 
 ### See also