More accurate description.

modules/exploits/android/browser/webview_addjavascriptinterface.rb

@@ -1,13 +1,9 @@
-# ./sdk/tools/android and install Android 4.1.2 or below
-# 
-
 ##
 # This module requires Metasploit: http//metasploit.com/download
 # Current source: https://github.com/rapid7/metasploit-framework
 ##
 
 require 'msf/core'
-# require 'rex/proto/proxy/http'
 
 class Metasploit3 < Msf::Exploit::Remote
 
@@ -27,6 +23,9 @@ class Metasploit3 < Msf::Exploit::Remote
           served by metasploit into an affected Webview on the target device. There
           are a number of ways to do this (DNS spoofing, rogue HTTP proxy, XSS injection, etc).
 
+          This module can also get a shell on some versions of the Android Browser for
+          Android < 4.2, where the vendor has added an addJavascriptInterface wrapper.
+
           Note: Adding a .js to the URL will return plain javascript (no HTML markup).
       },
       'License'     => MSF_LICENSE,