doc: add vty command information about brief usage

brief keyword can be used along with vrf NAME or vrf all.

Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>

diff --git a/doc/user/zebra.rst b/doc/user/zebra.rst
index 5d2cfbc337a10d519e53c8f09b25eb25e767906e..af465f6fd4c719f3ff6e76e7a2929fa17a1dad36 100644 (file)
--- a/doc/user/zebra.rst
+++ b/doc/user/zebra.rst
@@ -839,8 +839,11 @@ zebra Terminal Mode Commands
 .. index:: show ipv6 route
 .. clicmd:: show ipv6 route
 
-.. index:: show interface
-.. clicmd:: show interface
+.. index:: show interface [{vrf VRF|brief}]
+.. clicmd:: show interface [{vrf VRF|brief}]
+
+.. index:: show interface [{vrf all|brief}]
+.. clicmd:: show interface [{vrf all|brief}]
 
 .. index:: show ip prefix-list [NAME]
 .. clicmd:: show ip prefix-list [NAME]