rename "song" terminology to "track"

We've always used "track" as the proper term, but these managed to slip
by over time anyway. Oops!

1 files changed, 1 insertions, 1 deletions

diff --git a/players.js b/players.js
index 6624f0f..e22e505 100644
--- a/players.js
+++ b/players.js
@@ -126,7 +126,7 @@ module.exports.MPVPlayer = class extends Player {
         if (parseInt(percent) < lastPercent) {
           // mpv forgets commands you sent it whenever it loops, so you
           // have to specify them every time it loops. We do that whenever the
-          // position in the song decreases, since that means it may have
+          // position in the track decreases, since that means it may have
           // looped.
           this.setLoop(this.isLooping)
         }