change auth option enc by password

beetsplug/subsonicupdate.py

@@ -20,7 +20,7 @@ a "subsonic" section like the following:
         url: https://mydomain.com:443/subsonic
         user: username
         pass: password
-        auth: enc or plain
+        auth: token or password
 """
 from __future__ import division, absolute_import, print_function
 

docs/plugins/subsonicupdate.rst

@@ -30,6 +30,6 @@ The available options under the ``subsonic:`` section are:
 
 - **url**: The Subsonic server resource. Default: ``http://localhost:4040``
 - **user**: The Subsonic user. Default: ``admin``
-- **auth**: authentification method token or plain password
+- **auth**: Authentication method. Default: ``token``. Use ``password`` for APIs <= 1.12.0.
 - **pass**: The Subsonic user password. (This may either be a clear-text
   password or hex-encoded with the prefix ``enc:``.) Default: ``admin``