Remove forward slash to fix broken link job check

Remove forward slash to fix broken link job check

Author: ardelean94

16/umbraco-cms/reference/routing/custom-controllers.md

@@ -311,7 +311,7 @@ public class ProductListingPageController : Umbraco.Cms.Web.Common.Controllers.R
 
 ## Controller Injection
 
-Injecting services into your controller constructors is possible with Umbraco's underlying dependency injection implementation. See [Services and Helpers](../../implementation/services/#custom-services-and-helpers) for more info on this.
+Injecting services into your controller constructors is possible with Umbraco's underlying dependency injection implementation. See [Services and Helpers](../../implementation/services#custom-services-and-helpers) for more info on this.
 
 For example: