new language selection method: domain name

README.md

@@ -152,6 +152,10 @@ The preferred language can be forced using the `lang` option:
 
     $ curl wttr.in/Berlin?lang=de
 
+The third option is to choose the language using DNS name used in the query:
+
+    $ curl de.wttr.in/Berlin
+
 wttr.in is currently translated in more than 45 languages and the number of supported languages
 is constantly growing.
 

share/help.txt

@@ -50,6 +50,7 @@ Options can be combined:
 
 Localization:
 
+    $ curl fr.wttr.in/Paris
     $ curl wttr.in/paris?lang=fr
     $ curl -H "Accept-Language: fr" wttr.in/paris