Fix description

Author: jvazquez-r7

modules/exploits/multi/browser/adobe_flash_nellymoser_bof.rb

@@ -14,9 +14,9 @@ def initialize(info={})
     super(update_info(info,
       'Name'                => 'Adobe Flash Player Nellymoser Audio Decoding Buffer Overflow',
       'Description'         => %q{
-        This module exploits a buffer overflow happening when handling nellymoser encoded audio
-        inside a FLV video, as exploited in the wild on June 2015. This module has been tested
-        successfully on:
+        This module exploits a buffer overflow on Adobe Flash Player when handling nellymoser
+        encoded audio inside a FLV video, as exploited in the wild on June 2015. This module
+        has been tested successfully on:
 
         Windows 7 SP1 (32-bit), IE11 and Adobe Flash 18.0.0.160,
         Windows 7 SP1 (32-bit), Firefox 38.0.5 and Adobe Flash 18.0.0.160,