Fix spelling error in fio man page

Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/fio.1 b/fio.1
index e35bd93..b8082af 100644
--- a/fio.1
+++ b/fio.1
@@ -321,7 +321,7 @@
 .TP
 .BI size \fR=\fPint
 Total size of I/O for this job.  \fBfio\fR will run until this many bytes have
-been transfered, unless limited by other options (\fBruntime\fR, for instance).
+been transferred, unless limited by other options (\fBruntime\fR, for instance).
 Unless \fBnrfiles\fR and \fBfilesize\fR options are given, this amount will be
 divided between the available files for the job. If not set, fio will use the
 full size of the given files or devices. If the the files do not exist, size