Fixed formatting on 'Operators - I'm behind a NAT/Firewall' page

content/operators/behind-nat/contents.lr

@@ -11,7 +11,7 @@ Forwarding TCP connections is system dependent but the firewalled-clients FAQ en
 
 Also, here's an example of how you would do this on GNU/Linux if you're using iptables:
 
-    /sbin/iptables -A INPUT -i eth0 -p tcp --destination-port 9001 -j ACCEPT
+   `/sbin/iptables -A INPUT -i eth0 -p tcp --destination-port 9001 -j ACCEPT`
 
 You may have to change "eth0" if you have a different external interface (the one connected to the Internet).
 Chances are you have only one (except the loopback) so it shouldn't be too hard to figure out.