Cannot get unit description for temperature units

[mythcyrax]

I played a little bit with the provided playground and noticed that for temperature units I cannot get the description:

constructor(private unitsConvertor: UnitsConverorService) {
    this.measure = this.unitsConvertor.describe("C");   
  }

The abbreviation for Celsius seems to be "C", as mentioned by the convert-units JS package. Am I wrong or is this really an issue with your wrapper library?