Converter to capitalize the first character of a string in C#

StringConverter.cs

namespace CSharp
{
    public static class StringConverter
    {
        public static string Capitalized(string text)
        {
            if (string.IsNullOrEmpty(text))
            {
                return text;
            }

            var chars = text.ToLower().ToCharArray();
            chars[0] = char.ToUpper(chars[0]);

            return new string(chars);
        }
    }
}