https://www.w3.org/International/questions/qa-lang-2or3.de.html is translated wrong and must be changed.
 
The term "ISO-369" is wrong.
The term "ISO-639" is correct.
 
Kind regards

Peter Rader
--
Fachinformatiker AE / IT Software Developer
Peter Rader
Wilsnacker Strasse 17
10559 Berlin - GERMANY
Tel: 0049 (0)30 / 20 9930560
Fax: 0049 (0)30 / 20 9930561
Handy: 0049 (0)176 / 8 7521576