Change curly braces into brackets for -json option in help text to be
consistent with the rest.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
"where OBJECT := { link | fdb | mdb | vlan | monitor }\n"
" OPTIONS := { -V[ersion] | -s[tatistics] | -d[etails] |\n"
" -o[neline] | -t[imestamp] | -n[etns] name |\n"
-" -c[ompressvlans] -color -p[retty] -j{son} }\n");
+" -c[ompressvlans] -color -p[retty] -j[son] }\n");
exit(-1);
}