Fix typos and improve documentation clarity in mTLS PoP guide#5585

Copilot wants to merge 2 commits intogladjohn-msi-mtls-usage-docAzureAD/microsoft-authentication-library-for-dotnet:gladjohn-msi-mtls-usage-docfrom

copilot/sub-pr-5584AzureAD/microsoft-authentication-library-for-dotnet:copilot/sub-pr-5584Copy head branch name to clipboard