Fix a typo in manpage of aplay.
If this option is not set, the read/write I/O mode will be used.
.TP
\fI\-N, \-\-nonblock\fP
-Open the audio device in non-blocking mode. If the device is busy the program will exit immediatly.
+Open the audio device in non-blocking mode. If the device is busy the program will exit immediately.
If this option is not set the program will block until the audio device is available again.
.TP
\fI\-F, \-\-period\-time=#\fP