.RI [ argument
\&... ]
.LP
-The sender (and the colon following it) may be ommitted.
+The sender (and the colon following it) may be omitted.
For example, the initial field of a text entry control called
.I entry
could be set by sending the message,
.B sync
to the
.I ctl
-channel causes tha string to be echoed to the
+channel causes that string to be echoed to the
.BR Controlset 's
.I data
channel when all commands up to the