Fix typo.

Author: TimShererWithAquent

articles/azure-functions/functions-recover-storage-account.md

@@ -126,7 +126,7 @@ Changing any *read-only* [App Service application settings](../app-service/refer
 
 *Applies only to C# apps running [in-process with the Functions host](./functions-dotnet-class-library.md).*
 
-Configuring ASP.NET authentication in a Functions startup class can override services that are required for the Azure portal to communicate with the host. This includes, but isn't limited to, any calls to `AddAuthentication()`. If the host's authentication services are overridden and the portal can't communicate with the host, it considers the app unreachable. This issue might result in errors such as: `No authentication handler is registered for the scheme 'ArmToken'.`.
+Configuring ASP.NET authentication in a Functions startup class can override services that are required for the Azure portal to communicate with the host. This includes, but isn't limited to, any calls to `AddAuthentication()`. If the host's authentication services are overridden and the portal can't communicate with the host, it considers the app unreachable. This issue might result in errors such as: `No authentication handler is registered for the scheme 'ArmToken'.`
 
 ## Next steps