Fix spelling error in manpage.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/fio.1 b/fio.1
index 7997526..4e626b0 100644
--- a/fio.1
+++ b/fio.1
@@ -70,7 +70,7 @@
 All fio parser warnings are fatal, causing fio to exit with an error.
 .TP
 .BI \-\-max\-jobs \fR=\fPnr
-Set the maximum allowed number of jobs (threads/processes) to suport.
+Set the maximum allowed number of jobs (threads/processes) to support.
 .TP
 .BI \-\-server \fR=\fPargs
 Start a backend server, with \fIargs\fP specifying what to listen to. See client/server section.