Added comment

Author: nblumhardt

src/Serilog.Extensions.Hosting/SerilogHostBuilderExtensions.cs

@@ -1,4 +1,4 @@
-// Copyright 2020 Serilog Contributors
+// Copyright 2020 Serilog Contributors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -188,8 +188,10 @@ public static IHostBuilder UseSerilog(
                     return factory;
                 });
 
+                // Null is passed here because we've already (lazily) registered `ILogger`
                 ConfigureServices(collection, null);
             });
+            
             return builder;
         }