Fix typo in NuGet package description
Fix typo in NuGet package description

AzureAD/azure-activedirectory-identitymodel-extensions-for-dotnet,AzureAD/azure-activedirectory-identitymodel-extensions-for-dotnet,AzureAD/azure-activedirectory-identitymodel-extensions-for-dotnet,AzureAD/azure-activedirectory-identitymodel-extensions-for-dotnet