fix typo

Author: grminch

articles/azure-signalr/signalr-quickstart-dotnet-core.md

@@ -11,7 +11,7 @@ ms.author: lianwei
 
 # Quickstart: Create a chat room by using SignalR Service
 
-Azure SignalR Service is an Azure service that helps developers easily build web applications with real-time features. 
+Azure SignalR Service is an Azure service that helps developers easily build web applications with real-time features.
 
 This article shows you how to get started with the Azure SignalR Service. In this quickstart, you'll create a chat application by using an ASP.NET Core MVC web app. This app will make a connection with your Azure SignalR Service resource to enable real-time content updates. You'll host the web application locally and connect with multiple browser clients. Each client will be able to push content updates to all other clients.