io_uring_enter.2: clarify min_complete
io_uring_enter.2: clarify min_complete

min_complete means slightly different things depending on how the ring
was setup.

Signed-off-by: Jeff Moyer <cd6badf7869d996b866599075536a600ed1910b5@redhat.com>
Signed-off-by: Jens Axboe <cd8c6775e60d6f67a6984377324e5290df3d5358@kernel.dk>

axboe/liburing,axboe/liburing,axboe/liburing