Resolve link errors

Author: Dickson-Mwendia

msal-dotnet-articles/how-to/custom-token-cache-in-public-client-applications.md

@@ -79,7 +79,7 @@ static class TokenCacheHelper
  }
 ```
 
-A preview of a product quality token cache file based serializer for public client applications (for desktop applications running on Windows, Mac, and Linux) is available from the [Microsoft.Identity.Client.Extensions.Msal](https://github.com/AzureAD/microsoft-authentication-extensions-for-dotnet/tree/master/src/Microsoft.Identity.Client.Extensions.Msal) open source library. You can include it in your applications from the following NuGet package: [Microsoft.Identity.Client.Extensions.Msal](https://www.nuget.org/packages/Microsoft.Identity.Client.Extensions.Msal/).
+A preview of a product quality token cache file based serializer for public client applications (for desktop applications running on Windows, Mac, and Linux) is available from the [Microsoft.Identity.Client.Extensions.Msal](https://github.com/AzureAD/microsoft-authentication-library-for-dotnet/tree/main/src/client/Microsoft.Identity.Client.Extensions.Msal) open source library. You can include it in your applications from the following NuGet package: [Microsoft.Identity.Client.Extensions.Msal](https://www.nuget.org/packages/Microsoft.Identity.Client.Extensions.Msal/).
 
 > Disclaimer. The  Microsoft.Identity.Client.Extensions.Msal library is an extension over MSAL.NET. Classes in these libraries might make their way into MSAL.NET in the future, as is or with breaking changes.