updated description

git-svn-id: file:///home/svn/framework3/trunk@9090 4d416f70-5f16-0410-b530-b9f4589650da

modules/exploits/windows/browser/java_ws_arginject_altvm.rb

@@ -30,11 +30,13 @@ class Metasploit3 < Msf::Exploit::Remote
 				by Ruben Santamarta, an attacker can execute arbitrary code in the context of
 				an unsuspecting browser user.
 
-				This vulnerability was originally discovered independently by both Ruben 
-				Santamarta and Tavis Ormandy.
-
-				Tavis reported that all versions since version 6 Update 10 "are believed to be
-				affected by this vulnerability."
+				This vulnerability was originally discovered independently by both Ruben
+				Santamarta and Tavis Ormandy. Tavis reported that all versions since version 
+				6 Update 10 "are believed to be affected by this vulnerability."
+				
+				In order for this module to work, it must be ran as root on a server that
+				does not serve SMB. Additionally, the target host must have the WebClient 
+				service (WebDAV Mini-Redirector) enabled.
 			},
 			'License'        => MSF_LICENSE,
 			'Author'         => 'jduck',