doc: revisit fib examples

There are several typos there that may confuse users, fix them.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

diff --git a/doc/nft.xml b/doc/nft.xml
index 31c664d88b996ad6b4ab6866bca0d2a7678685fe..57cf5cf113524d79fd330f4eb1e703b3de6ec2e0 100644 (file)
--- a/doc/nft.xml
+++ b/doc/nft.xml
@@ -1561,7 +1561,7 @@ filter output ip6 daddr ::1
                                </para>
                                <programlisting>
 # match if route exists
-filter input fib iif saddr exists
+filter input fib daddr . iif oif exists
 
 # match only non-fragmented packets in IPv6 traffic
 filter input exthdr frag missing
@@ -2147,13 +2147,13 @@ filter output oif eth0
                                        <title>Using fib expressions</title>
                                        <programlisting>
 # drop packets without a reverse path
-filter prerouting fib saddr . iif oif eq 0 drop
+filter prerouting fib saddr . iif oif missing drop
 
 # drop packets to address not configured on ininterface
-filter input fib daddr . iif type not { local, broadcast, multicast } drop
+filter prerouting fib daddr . iif type != { local, broadcast, multicast } drop
 
 # perform lookup in a specific 'blackhole' table (0xdead, needs ip appropriate ip rule)
-filter prerouting meta mark set 0xdead fib daddr . mark type vmap { backhole : drop, prohibit : jump prohibited, unreachable : drop }
+filter prerouting meta mark set 0xdead fib daddr . mark type vmap { blackhole : drop, prohibit : jump prohibited, unreachable : drop }
                                        </programlisting>
                                </example>
                        </para>