diff --git a/etc/defaults/make.conf b/etc/defaults/make.conf
index ae213c559c58..0aa752a1667f 100644
--- a/etc/defaults/make.conf
+++ b/etc/defaults/make.conf
@@ -172,11 +172,21 @@
 #MAKE_KERBEROS4=	yes
 #
 #
-# Kerberos5
-# If you want to install Kerberos5 somewhere other than /usr/local,
-# define this:
+# Kerberos 5
+# If you want KerberosIV (KTH Heimdal), define this:
+# ** WARNING **
+# ** WARNING ** This is very experimental at this stage. If you
+# ** WARNING ** need stable Kerberos5, rather use the port(s).
+# ** WARNING **
 #
-#KRB5_HOME=		/usr/local/krb5
+#MAKE_KERBEROS5=	yes
+#
+#
+# Kerberos5
+# If you want to install MIT Kerberos5 port somewhere other than /usr/local,
+# define this (this is also used to tell ssh1 that kerberos is needed):
+#
+#KRB5_HOME=		/usr/local
 #
 #
 # CVSup update flags.  Edit SUPFILE settings to reflect whichever distribution
diff --git a/share/examples/etc/make.conf b/share/examples/etc/make.conf
index ae213c559c58..0aa752a1667f 100644
--- a/share/examples/etc/make.conf
+++ b/share/examples/etc/make.conf
@@ -172,11 +172,21 @@
 #MAKE_KERBEROS4=	yes
 #
 #
-# Kerberos5
-# If you want to install Kerberos5 somewhere other than /usr/local,
-# define this:
+# Kerberos 5
+# If you want KerberosIV (KTH Heimdal), define this:
+# ** WARNING **
+# ** WARNING ** This is very experimental at this stage. If you
+# ** WARNING ** need stable Kerberos5, rather use the port(s).
+# ** WARNING **
 #
-#KRB5_HOME=		/usr/local/krb5
+#MAKE_KERBEROS5=	yes
+#
+#
+# Kerberos5
+# If you want to install MIT Kerberos5 port somewhere other than /usr/local,
+# define this (this is also used to tell ssh1 that kerberos is needed):
+#
+#KRB5_HOME=		/usr/local
 #
 #
 # CVSup update flags.  Edit SUPFILE settings to reflect whichever distribution