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Corrected typos (#11000)

pull/11003/head
Greeng0 2019-02-18 22:44:53 -05:00 committed by Luke Latham
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aspnetcore/security/authorization/policies.md
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@ -114,7 +114,7 @@ The `HandleRequirementAsync` method you implement in an authorization handler ha
For example, MVC passes an instance of [AuthorizationFilterContext](/dotnet/api/?term=AuthorizationFilterContext) in the `Resource` property. This property provides access to `HttpContext`, `RouteData`, and everything else provided by MVC and Razor Pages.
The use of the `Resource` property is framework specific. Using information in the `Resource` property limits your authorization policies to particular frameworks. You should cast the `Resource` property using the `as` keyword, and then confirm the cast has succeed to ensure your code doesn't crash with an `InvalidCastException` when run on other frameworks:
The use of the `Resource` property is framework specific. Using information in the `Resource` property limits your authorization policies to particular frameworks. You should cast the `Resource` property using the `is` keyword, and then confirm the cast has succeeded to ensure your code doesn't crash with an `InvalidCastException` when run on other frameworks:
```csharp
// Requires the following import: