Compare two excel headers using c#

public string CompareXcelHeaders(List<string> headers1, List<string> headers2)
        {
            var message = string.Empty;
            var result = headers1.Where(x1 => !headers2.Any(x2 => x1 == x2))
                         .Union(
                          headers2.Where(x1 => !headers1.Any(x2 => x1 == x2)));

            return result.Count() > 0 ? "Headers are not equal" : "Headers are equal";            
        }