Update articles/azure-app-configuration/feature-management-dotnet-reference.md

Co-authored-by: Jimmy Campbell <[email protected]>

Author: rossgrambo

articles/azure-app-configuration/feature-management-dotnet-reference.md

@@ -328,7 +328,7 @@ This code adds an MVC filter named `SomeMvcFilter`. This filter is only triggere
 
 ### Razor Pages
 
-MVC Razor pages can require that a given feature, or one of any list of features, be enabled in order to execute. This requirement can be done by using a `FeatureGateAttribute`, which can be found in the `Microsoft.FeatureManagement.Mvc` namespace. 
+MVC Razor pages can require that a given feature, or one of any list of features, be enabled in order to execute. This requirement can be added by using a `FeatureGateAttribute`, which can be found in the `Microsoft.FeatureManagement.Mvc` namespace. 
 
 ``` C#
 [FeatureGate("FeatureX")]