diff --git a/appl/popper/popper.8 b/appl/popper/popper.8
index e0e9e0d6c..72be3b647 100644
--- a/appl/popper/popper.8
+++ b/appl/popper/popper.8
@@ -60,8 +60,8 @@ tells
 .Nm
 what authentication modes are acceptable, passing
 .Ar otp
-disables clear text passwords. This only has effect when not using
-Kerberos authentication.
+disables clear text passwords. Otp doesn't disable Kerberos
+authentication, only cleartext passwords.
 .It Xo
 .Fl -address-log= Ns Pa file
 .Xc