added info on pr flag for nmap

h00die · h00die · commit 48b85e9ad34d · 2017-05-19T13:10:01.000-04:00
diff --git a/documentation/modules/auxiliary/scanner/discovery/arp_sweep.md b/documentation/modules/auxiliary/scanner/discovery/arp_sweep.md
@@ -47,6 +47,8 @@
 
 ## Confirming using NMAP
 
+The `-PR` flags are utilized to perform ARP/Neighbor Discovery scans.
+
   ```
     nmap -n -sn -PR 192.168.0.0/24
 
