Fix up KNOX caps, descriptive description

Author: Tod Beardsley

modules/exploits/android/browser/samsung_knox_smdm_url.rb

@@ -16,11 +16,12 @@ class Metasploit3 < Msf::Exploit::Remote
 
   def initialize(info = {})
     super(update_info(info,
-      'Name'                => 'Samsung Galaxy Knox Android Browser RCE',
+      'Name'                => 'Samsung Galaxy KNOX Android Browser RCE',
       'Description'         => %q{
-        A vulnerability exists in the Knox security component of the Samsung Galaxy
+        A vulnerability exists in the KNOX security component of the Samsung Galaxy
         firmware that allows a remote webpage to install an APK with arbitrary
-        permissions.
+        permissions by abusing the 'smdm://' protocol handler registered by the KNOX
+        component.
 
         The vulnerability has been confirmed in the Samsung Galaxy S4, S5, Note 3,
         and Ace 4.