diff --git a/kadmin/kadmin-commands.in b/kadmin/kadmin-commands.in
index 5bc897e0b..1faec5007 100644
--- a/kadmin/kadmin-commands.in
+++ b/kadmin/kadmin-commands.in
@@ -301,6 +301,7 @@ command = {
 		short = "k"
 		type = "string"
 		help = "keytab to use"
+		argument = "keytab"
 	}
 	option = {
 		long = "random-key"
diff --git a/kadmin/kadmin.1 b/kadmin/kadmin.1
index f45a2a4ed..c50224520 100644
--- a/kadmin/kadmin.1
+++ b/kadmin/kadmin.1
@@ -177,7 +177,7 @@ principals, those are not consulted here.
 .Ed
 .Pp
 .Nm ext_keytab
-.Oo Fl k Ar string \*(Ba Xo
+.Oo Fl k Ar keytab \*(Ba Xo
 .Op Fl Fl keepold | Fl Fl keepallold | Fl Fl pruneall
 .Op Fl Fl enctypes= Ns Ar string
 .Fl Fl keytab= Ns Ar string