Fix doc of recv-codecs-changed
Fix doc of recv-codecs-changed

tieto/farstream,ahmedammar/skype_farsight2,pexip/farstream,ahmedammar/skype_farsight2,ahmedammar/skype_farsight2,pexip/farstream,shadeslayer/farstream,tieto/farstream,pexip/farstream,shadeslayer/farstream,kakaroto/farstream,shadeslayer/farstream,tieto/farstream,kakaroto/farstream,tieto/farstream,ahmedammar/skype_farsight2,pexip/farstream,kakaroto/farstream,shadeslayer/farstream,tieto/farstream,kakaroto/farstream