It is possible to record a MIDI file using a digital keyboard, and
then convert it to @file{.ly}. However, human players are not
rhythmically exact enough to make a MIDI to LY conversion trivial.
-When invoked with quantizing (@code{-s} and @code{-d} options)
+When invoked with quantizing (@option{-s} and @option{-d} options)
@command{midi2ly} tries to compensate for these timing errors, but is not
very good at this. It is therefore not recommended to use @command{midi2ly}
for human-generated midi files.