Updates the description

Author: sinn3r

modules/exploits/windows/scada/codesys_gateway_server_traversal.rb

@@ -19,8 +19,9 @@ def initialize(info = {})
 		super(update_info(info,
 			'Name'           => 'SCADA 3S CoDeSys Gateway Server Directory Traversal',
 			'Description'    => %q{
-				This module exploits arbitrary file creation to execute a mof file
-				gaining remote execution within the SCADA system
+					This module exploits a directory traversal vulnerability that allows arbitrary
+				file creation, which can be used to execute a mof file in order to gain remote
+				execution within the SCADA system.
 			},
 			'Author'         =>
 				[