PRIVATE_NETWORK_INTERFACE = eth0
 TCP_FORWARDING_HOST = 10.0.0.1
 {endcode}
-The use of configuration variable =PRIVATE_NETWORK_NAME= on S and E allow them to communicate _directly, without going through the firewall F. The port choice of 9616 is arbitrary.
+The use of configuration variable =PRIVATE_NETWORK_NAME= on S and E allow them to communicate directly, without going through firewall F. The port choice of 9616 is arbitrary.
 
 On firewall F, run the following commands to redirect connections from the Internet to ports 9617 and 9616 on F and to the corresponding ports on S and E:
 {code}