[spp] [PATCH 3/5] docs: add exit description to usecase of spp_vf

[x-fn-spp at sl.ntt-tx.co.jp]

From: Hideyuki Yamashita <yamashita.hideyuki at po.ntt-tx.co.jp>

This patch adds exit description to usecase of spp_vf

Signed-off-by: Hideyuki Yamashita <yamashita.hideyuki at po.ntt-tx.co.jp>
Signed-off-by: Naoki Takada <takada.naoki at lab.ntt.co.jp>
---
 docs/guides/spp_vf/use_cases/usecase1.rst | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/docs/guides/spp_vf/use_cases/usecase1.rst b/docs/guides/spp_vf/use_cases/usecase1.rst
index 0c1976d..719d673 100644
--- a/docs/guides/spp_vf/use_cases/usecase1.rst
+++ b/docs/guides/spp_vf/use_cases/usecase1.rst
@@ -400,3 +400,12 @@ Then, stop components.
     spp > vf 1; component stop forwarder7
     spp > vf 1; component stop forwarder8
     spp > vf 1; component stop merger2
+
+Exit spp_vf
+-----------
+
+Terminate spp_vf.
+
+.. code-block:: console
+
+    spp > vf 1; exit
-- 
2.17.1