diff --git a/sshd.sysconfig b/sshd.sysconfig
index 7a0f4d2..2d08984 100644
--- a/sshd.sysconfig
+++ b/sshd.sysconfig
@@ -2,7 +2,9 @@
 
 # The server keys are automatically generated if they are missing.
 # To change the automatic creation, adjust sshd.service options for
-# example using  systemctl enable sshd-config@dsa.service for DSA keys
+# example using  systemctl enable sshd-keygen@dsa.service  to allow creation
+# of DSA key or  systemctl mask sshd-keygen@rsa.service  to disable RSA key
+# creation.
 
 # Do not change this option unless you have hardware random
 # generator and you REALLY know what you are doing