Update HOWTO-Translation.txt

htdocs/langs/HOWTO-Translation.txt

@@ -3,7 +3,8 @@
 An instruction guide for translating Dolibarr in a new language is
 available on Dolibarr wiki:
 
-English: https://wiki.dolibarr.org/index.php/Translator_documentation
-French:  https://wiki.dolibarr.org/index.php/Documentation_traducteur
-Spanish: https://wiki.dolibarr.org/index.php/Documentaci%C3%B3n_traductores
-German:  https://wiki.dolibarr.org/index.php/Dokumentation_Uebersetzung 
+English:  https://wiki.dolibarr.org/index.php/Translator_documentation
+French:   https://wiki.dolibarr.org/index.php/Documentation_traducteur
+Spanish:  https://wiki.dolibarr.org/index.php/Documentaci%C3%B3n_traductores
+German:   https://wiki.dolibarr.org/index.php/Dokumentation_Uebersetzung
+Chinese:  https://wiki.dolibarr.org/index.php/%E7%BF%BB%E8%AF%91%E6%96%87%E6%A1%A3