Update active recon module

modules/3.md

@@ -39,7 +39,7 @@ ports on those machines.
 nmap doesn't scan all ports by default. It limits itself to 1000 or so
 common ports. Figure out how to override this.
 
-UDP takes a  **long** time. You might defer that scan for later.
+UDP takes a  **long** time. You might defer that scan for later.
 
 ### Task 3
 
@@ -76,8 +76,8 @@ msfdb init
 
 ### Task 2
 
-Using `msfconsole`. Make sure the database is connected. What
-other **database backend commands** exist? Try `help`
+Using `msfconsole`. Make sure the database is connected. What
+other **database backend commands** exist? Try `help`
 
 {% capture code %}
 msfconsole
@@ -109,10 +109,10 @@ msf >
 
 ### Task 4
 
-Using `db_nmap` instead of `nmap`, run the same commands you ran in
+Using `db_nmap` instead of `nmap`, run the same commands you ran in
 Exercise 1 to load information into the database. This information will
 stay persistent for successive modules. You should be able to run
-the `services` command and see the services found by nmap at anytime
+the `services` command and see the services found by nmap at anytime
 without scanning again.
 
 {% capture code %}
@@ -144,7 +144,7 @@ host         port   proto  name           state  info
 
 ### Task 1
 
-Open Wireshark and listen to the eth1 network interface. What protocols
+Open Wireshark and listen to the eth0 network interface. What protocols
 are present?
 
       You may only see BROADCAST traffic but it may be informative.
@@ -159,9 +159,7 @@ are present?
 
 ### Task 1
 
-Do a [zone transfer](http://en.wikipedia.org/wiki/DNS_zone_transfer) of 
-the **`pod.becomingahacker.com`** domain using the `dig` 
-([domain information groper](https://www.madboa.com/geek/dig/)) tool
+Do a [zone transfer](http://en.wikipedia.org/wiki/DNS_zone_transfer) of the **`pod.becomingahacker.com`** domain using the `dig`.
 
 If the domain you want to query allows DNS zone transfers, you can get
 those, too. The reality of life on the Internet, however, is that very