A few more doc tweaks and the dependency script.

docs/add_v4_net.md

@@ -7,7 +7,7 @@
 ## Synopsis
 
 ```
-add_v4_net ${card} ${vlan} ${group} [{isp=abc|no_isp}...]
+add_v4_net ${card} ${vlan} ${group}
 ```
 
 ## Description
@@ -49,16 +49,16 @@ IPv6, and VLAN ID.  Each can be visually compared to the others.)
 ## Examples
 
 #### Basic home LAN
-`add_net abc2 100 main`
+`add_v4_net abc2 100 main`
 
 #### Guest network with no ULA
-`add_net xy2 102 guest no_ula`
+`add_v4_net xy2 102 guest`
 
-#### IoT network with no ULA and no ISP prefix delegation
-`add_net xy2 103 iot no_ula no_isp`
+#### IoT network with no ISP association
+`add_v4_net xy2 103 iot no_isp`
 
-#### Management network on a different ISP PD
-`add_net xy2 402 mgmt isp=fios_1`
+#### Management network on a different ISP
+`add_v4_net xy2 402 mgmt isp=fios_1`
 
 
 ## See Also