Correct grammar in BES

Author: wchen-r7

lib/msf/core/exploit/remote/browser_exploit_server.rb

@@ -483,7 +483,7 @@ def on_request_uri(cli, request)
         tag = Rex::Text.rand_text_alpha(rand(20) + 5)
         ua = request.headers['User-Agent'] || ''
         init_profile(tag)
-        print_status("Sending response HTML.")
+        print_status("Sending HTML response.")
         html = get_detection_html(ua)
         send_response(cli, html, {'Set-Cookie' => cookie_header(tag)})