Fix rapid7#9194, clarified error for reloading modules

Author: wvu

lib/msf/ui/console/command_dispatcher/modules.rb

@@ -99,7 +99,7 @@ def cmd_edit(*args)
                 print_status("Reloading #{path}")
                 load path
               else
-                print_error('Only Ruby files can be reloaded')
+                print_error('Only Ruby files can be reloaded (use reload/rerun for modules)')
               end
             else
               print_error('Nothing to edit -- try using a module first.')