diff --git a/share/man/man4/vt.4 b/share/man/man4/vt.4
--- a/share/man/man4/vt.4
+++ b/share/man/man4/vt.4
@@ -22,7 +22,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd May 8, 2023
+.Dd May 24, 2024
 .Dt "VT" 4
 .Os
 .Sh NAME
@@ -220,6 +220,11 @@
 kernel uses
 .Nm
 when this value is not set.
+Note that
+.Ql sc
+is not compatible with
+.Xr UEFI 8
+boot.
 .It Va kern.vt.color. Ns Ar colornum Ns Va .rgb
 Set this value to override default palette entry for color
 .Pa colornum