Fix spelling and update comment referencing INonBrowserEndpointMetadata

Author: halter73

src/Http/Http.Abstractions/src/Metadata/IApiEndpointMetadata.cs

@@ -4,7 +4,7 @@
 namespace Microsoft.AspNetCore.Http.Metadata;
 
 /// <summary>
-/// Metadata that indicates the endpoint is an API intended for programatic access rather than direct browser navigation.
+/// Metadata that indicates the endpoint is an API intended for programmatic access rather than direct browser navigation.
 /// When present, authentication handlers should prefer returning status codes over browser redirects.
 /// </summary>
 public interface IApiEndpointMetadata

src/SignalR/common/Http.Connections/src/ConnectionEndpointRouteBuilderExtensions.cs

@@ -127,7 +127,7 @@ public static ConnectionEndpointRouteBuilder MapConnections(this IEndpointRouteB
                 e.Metadata.Add(data);
             }
 
-            // Add INonBrowserEndpointMetadata to indicate this is a non-browser endpoint (SignalR)
+            // Add IApiEndpointMetadata to indicate this is a non-browser endpoint (SignalR)
             e.Metadata.Add(ApiEndpointMetadata.Instance);
         });