man: ip-netns.8: Clarify synopsis a bit

Use brackets to show that 'ip netns' defaults to action 'list', drop
superfluous curly braces around 'set' action keyword.

Signed-off-by: Phil Sutter <phil@nwl.cc>

diff --git a/man/man8/ip-netns.8 b/man/man8/ip-netns.8
index c9b0fbc2c163dbcbca9466dc158ae422978659c7..c5310e24ed40bf6e939ad8fb1a75c20fb25c8a3c 100644 (file)
--- a/man/man8/ip-netns.8
+++ b/man/man8/ip-netns.8
@@ -13,7 +13,7 @@ ip-netns \- process network namespace management
 .BR help " }"
 .sp
 .ti -8
-.BR "ip netns" " { " list " } "
+.BR "ip netns" " [ " list " ]"
 
 .ti -8
 .B ip netns add
@@ -24,7 +24,7 @@ ip-netns \- process network namespace management
 .RI "[ " NETNSNAME " ]"
 
 .ti -8
-.BR "ip netns" " { " set " } "
+.B ip netns set
 .I NETNSNAME NETNSID
 
 .ti -8