diff --git a/sbin/geom/class/mirror/gmirror.8 b/sbin/geom/class/mirror/gmirror.8
index dc2f0a2669f3..e98bab969318 100644
--- a/sbin/geom/class/mirror/gmirror.8
+++ b/sbin/geom/class/mirror/gmirror.8
@@ -293,3 +293,5 @@ utility appeared in
 There should be a way to change a component's priority inside a running mirror.
 .Pp
 There should be a section with an implementation description.
+.Pp
+Documentation for sysctls kern.geom.mirror.* is missing.
diff --git a/sbin/geom/class/raid3/graid3.8 b/sbin/geom/class/raid3/graid3.8
index 523a777671e1..b64b21ee4d86 100644
--- a/sbin/geom/class/raid3/graid3.8
+++ b/sbin/geom/class/raid3/graid3.8
@@ -240,3 +240,5 @@ utility appeared in
 .An Pawel Jakub Dawidek Aq pjd@FreeBSD.org
 .Sh BUGS
 There should be a section with an implementation description.
+.Pp
+Documentation for sysctls kern.geom.raid3.* is missing.