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Update cors.md (#21746) 

* Update cors.md

* Update cors.md
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aspnetcore/security/cors.md
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@ -54,7 +54,7 @@ There are three ways to enable CORS:
Using the [[EnableCors]](#attr) attribute with a named policy provides the finest control in limiting endpoints that support CORS.
> [!WARNING]
> <xref:Owin.CorsExtensions.UseCors%2A> must be called before <xref:Microsoft.AspNetCore.Builder.ResponseCachingExtensions.UseResponseCaching%2A> when using `UseResponseCaching`.
> <xref:Owin.CorsExtensions.UseCors%2A> must be called in the correct order. For more information, see [Middleware order](xref:fundamentals/middleware/index#middleware-order). For example, `UseCors` must be called before <xref:Microsoft.AspNetCore.Builder.ResponseCachingExtensions.UseResponseCaching%2A> when using `UseResponseCaching`.
Each approach is detailed in the following sections.