diff --git a/share/man/man9/sysctl.9 b/share/man/man9/sysctl.9
index f2b1159e71a..61783a7fbb6 100644
--- a/share/man/man9/sysctl.9
+++ b/share/man/man9/sysctl.9
@@ -577,6 +577,10 @@ Current formats:
 node
 .It Cm A
 .Li "char *"
+.It Cm C
+.Li "int8_t"
+.It Cm CU
+.Li "uint8_t"
 .It Cm I
 .Li "int"
 .It Cm IK Ns Op Ar n
@@ -593,6 +597,10 @@ gives milliKelvin
 .Li "quad_t"
 .It Cm QU
 .Li "u_quad_t"
+.It Cm S
+.Li "int16_t"
+.It Cm SU
+.Li "uint16_t"
 .It Cm "S,TYPE"
 .Li "struct TYPE"
 structures