doc: fix a typo in howto guide

Fixes: 0ba3870e7559 ("doc: add guide to use virtio-user as exceptional path")
Cc: stable@dpdk.org
Signed-off-by: Yong Wang <wang.yong19@zte.com.cn>
Acked-by: John McNamara <john.mcnamara@intel.com>

diff --git a/doc/guides/howto/virtio_user_as_exceptional_path.rst b/doc/guides/howto/virtio_user_as_exceptional_path.rst
index 939ced9..91a99c6 100644 (file)
--- a/doc/guides/howto/virtio_user_as_exceptional_path.rst
+++ b/doc/guides/howto/virtio_user_as_exceptional_path.rst
@@ -84,7 +84,7 @@ compiling the kernel and those kernel modules should be inserted.
 
         $(testpmd) -l 2-3 -n 4 \
                --vdev=virtio_user0,path=/dev/vhost-net,queue_size=1024 \
-               -- -i --txqflags=0x0 --disable-hw-vlan --enable-lro --crc-strip
+               -- -i --txqflags=0x0 --disable-hw-vlan --enable-lro --crc-strip \
                --enable-rx-cksum --rxd=1024 --txd=1024
 
     This command runs testpmd with two ports, one physical NIC to communicate