Update absubmit.rst
[...] when the tracks do{es->}n't already have [...]
@@ -28,7 +28,7 @@ To run the analysis program and upload its results, type::
beet absubmit [-f] [-d] [QUERY]
By default, the command will only look for AcousticBrainz data when the tracks
-doesn't already have it; the ``-f`` or ``--force`` switch makes it refetch
+don't already have it; the ``-f`` or ``--force`` switch makes it refetch
data even when it already exists. You can use the ``-d`` or ``--dry`` swtich
to check which files will be analyzed, before you start a longer period
of processing.
