doc: fix typo in KNI sample app guide

This trivial patch fixes a typo in sample apps guide, in
the kernel nic interface (kni) section.
Using "-config", as it is now today in this doc, will not
work and will emit an error; it should be "--config" instead,
and this patch fixes it accordingly.

Fixes: d0dff9ba445e ("doc: sample application user guide")

Signed-off-by: Rami Rosen <rami.rosen@intel.com>
Acked-by: Ferruh Yigit <ferruh.yigit@intel.com>

diff --git a/doc/guides/sample_app_ug/kernel_nic_interface.rst b/doc/guides/sample_app_ug/kernel_nic_interface.rst
index e1ac415..67f2140 100644 (file)
--- a/doc/guides/sample_app_ug/kernel_nic_interface.rst
+++ b/doc/guides/sample_app_ug/kernel_nic_interface.rst
@@ -181,7 +181,7 @@ and one lcore of kernel thread for each port:
 
 .. code-block:: console
 
-    ./build/kni -l 4-7 -n 4 -- -P -p 0x3 -config="(0,4,6,8),(1,5,7,9)"
+    ./build/kni -l 4-7 -n 4 -- -P -p 0x3 --config="(0,4,6,8),(1,5,7,9)"
 
 KNI Operations
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