Add more details to the docs
@@ -109,10 +109,11 @@ Here's an example::
Obtaining Track Popularity and Audio Features from Spotify
----------------------------------------------------------
-Spotify provides track `popularity`_ and audio `features`_ that be used to
-create better playlists.
+Spotify provides information on track `popularity`_ and audio `features`_ that
+can be used for music discovery.
.. _popularity: https://developer.spotify.com/documentation/web-api/reference/#/operations/get-track
+
.. _features: https://developer.spotify.com/documentation/web-api/reference/#/operations/get-audio-features
The ``spotify`` plugin provides an additional command ``spotifysync`` to obtain
@@ -126,3 +127,19 @@ these track attributes from Spotify:
identifiers. So run ``spotifysync`` only after importing your music, during
which Spotify identifiers will be added for tracks where Spotify is chosen as
the tag source.
+
+ In addition to ``popularity``, the command currently sets these audio features
+ for all tracks with a Spotify track ID:
+
+ * ``acousticness``
+ * ``danceability``
+ * ``energy``
+ * ``instrumentalness``
+ * ``key``
+ * ``liveness``
+ * ``loudness``
+ * ``mode``
+ * ``speechiness``
+ * ``tempo``
+ * ``time_signature``
+ * ``valence``
