Update local_development_configuration.md

src/docs/host/configuration_guide/local_development_configuration.md

@@ -95,7 +95,7 @@ You can create an empty console application project targeting .NET Framework 4.6
 Here is an example of how a client can connect to a local silo:
 
 ```csharp
-client = new ClientBuilder()
+var builder = new ClientBuilder()
     // Use localhost clustering for a single local silo
     .UseLocalhostClustering()
     // Configure ClusterId and ServiceId
@@ -104,7 +104,8 @@ client = new ClientBuilder()
         options.ClusterId = "dev";
         options.ServiceId = "MyAwesomeService";
     })
-    .ConfigureLogging(logging => logging.AddConsole())
+    .ConfigureLogging(logging => logging.AddConsole());
+
 var client = builder.Build();
 await client.Connect();
 ```