diff --git a/modules/exploits/unix/smtp/morris_sendmail_debug.rb b/modules/exploits/unix/smtp/morris_sendmail_debug.rb
index 2f86e85eb3..7adf373a57 100644
--- a/modules/exploits/unix/smtp/morris_sendmail_debug.rb
+++ b/modules/exploits/unix/smtp/morris_sendmail_debug.rb
@@ -21,6 +21,8 @@ class MetasploitModule < Msf::Exploit::Remote
 
         This vulnerability was exploited by the Morris worm in 1988-11-02.
         Cliff Stoll reports on the worm in the epilogue of The Cuckoo's Egg.
+
+        Currently only cmd/unix/reverse and cmd/unix/generic are supported.
       },
       'Author'         => [
         'Robert Tappan Morris', # Exploit and worm for sure