Land rapid7#3517, @m-1-k-3's typo fix

Author: jvazquez-r7

modules/exploits/linux/upnp/dlink_upnp_msearch_exec.rb

@@ -15,7 +15,7 @@ def initialize(info = {})
       'Name'        => 'D-Link Unauthenticated UPnP M-SEARCH Multicast Command Injection',
       'Description' => %q{
         Different D-Link Routers are vulnerable to OS command injection via UPnP Multicast
-        requests. This module has been tested on DIR-300 and DIR-645 devices. Zacharia Cutlip
+        requests. This module has been tested on DIR-300 and DIR-645 devices. Zachary Cutlip
         has initially reported the DIR-815 vulnerable. Probably there are other devices also
         affected.
       },