Fix a typo

wchen-r7 · wchen-r7 · commit 3155af679a7a · 2017-01-03T16:03:45.000-06:00
diff --git a/modules/exploits/multi/http/phpmailer_arg_injection.rb b/modules/exploits/multi/http/phpmailer_arg_injection.rb
@@ -1,5 +1,5 @@
 ##
-# This module requires Metasploit: http//metasploit.com/download
+# This module requires Metasploit: http://metasploit.com/download
 # Current source: https://github.com/rapid7/metasploit-framework
 ##
 
