README.md updated

README.md

@@ -4,10 +4,12 @@
 * Python 3.6 (https://www.python.org/downloads/)
 * python-nmap (https://xael.org/pages/python-nmap-en.html)
 * nmap (https://nmap.org/)
+* python-masscan (https://github.com/MyKings/python-masscan)
+* masscan (https://github.com/robertdavidgraham/masscan)
 
 ### Output:
 ```
-usage: anmap.py [-h] [-u UDP] [-v] [-d] [-o] HOST                            
+usage: anmap.py [-h] [-u UDP] [-v] [-m] [-d] [-o] HOST
 
 This script automates nmap scans by quickly scanning all TCP ports first and
 executing a thorough scan on all ports found open afterwards. Additionally it
@@ -20,6 +22,7 @@ optional arguments:
   -h, --help         show this help message and exit
   -u UDP, --udp UDP  The number of UDP ports to scan (Default 1000)
   -v, --verbose      This enables verbose output
+  -m, --masscan      This enables masscan for first scan
   -d, --debug        Sets flags -v and -u 100 and scans only the first 1000
                      tcp ports
   -o, --output       Enables saving of output files