-difficult to change time signatures without making a mess of it.
-Therefore, @code{measureLength} has to be set manually, using the
-@code{ly:make-moment} callback. The second argument must be the same as
-the second argument of @code{\\scaleDurations}."
+difficult to change time signatures. In this case, @code{measureLength}
+should be set manually, using the @code{ly:make-moment} callback. The
+second argument must be the same as the second argument of
+@code{\\scaleDurations}."