Invalid link on page 222

[tolache]

https://docs.microsoft.com/en-us/dotnet/csharp/tour-of-csharp/features-delegates-and-lambda-expressions
this gives 404

[simonjh77]

It should be this
https://docs.microsoft.com/en-us/dotnet/csharp/tour-of-csharp/features#delegates-and-lambda-expressions

[markjprice]

Thanks, I've added it as an errata and fixed it in the book links file in this repo.