diff --git a/aspnetcore/grpc/services.md b/aspnetcore/grpc/services.md
index df0eeef6df..9e95d89cde 100644
--- a/aspnetcore/grpc/services.md
+++ b/aspnetcore/grpc/services.md
@@ -78,6 +78,8 @@ public class GreeterService : GreeterBase
 }
 ```
 
+The `ServerCallContext` gives the context for a server-side call.
+
 The service implementation is registered with the app. If the service is hosted by ASP.NET Core gRPC, it should be added to the routing pipeline with the `MapGrpcService` method.
 
 ```csharp