tty: doc: Fix grammar in serial/tty
tty: doc: Fix grammar in serial/tty

Correct spelling typos in serial/tty

Signed-off-by: Richard Genoud <9cfb506ffc11a9bdfddeea4cef2a4c9d35dfe20c@gmail.com>
Acked-by: Randy Dunlap <6f29df8e90a57f1ba61ffd63b0468c86bb6d3a99@infradead.org>
Signed-off-by: Jiri Kosina <ed58f755cc8caaf10c3e8c731a8b86fb8f13d6cb@suse.cz>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs