An extension-method for System.Type that returns its human-readable name.

TypeExtensions.GetFriendlyName.cs

public static partial class TypeExtensions
{
    public static string GetFriendlyName(this Type type)
    {
        if (!type.IsGenericType)
            return type.FullName;

        var name = type.FullName.Substring(0, type.FullName.IndexOf('`'));
        var fullName = new StringBuilder(name);
        fullName.Append("<");

        var arguments = type.GenericTypeArguments;
        for(int index = 0, end = arguments.Length; index < end; index++)
        {
            if (index != 0)
                fullName.Append(",");

            fullName.Append(GetFriendlyName(arguments[index]));
        }

        fullName.Append(">");
        return fullName.ToString();
    }
}