diff --git a/share/man/man9/boot.9 b/share/man/man9/boot.9
index ef011941037..924c052f686 100644
--- a/share/man/man9/boot.9
+++ b/share/man/man9/boot.9
@@ -39,6 +39,8 @@
 .Nm boot
 .Nd halt or reboot the system
 .Sh SYNOPSIS
+.Fd #include <sys/types.h>
+.Fd #include <sys/systm.h>
 .Fd #include <sys/reboot.h>
 .Ft void
 .Fn boot "int howto"
diff --git a/share/man/man9/resettodr.9 b/share/man/man9/resettodr.9
index 20b8ff448ac..3860b61c2ae 100644
--- a/share/man/man9/resettodr.9
+++ b/share/man/man9/resettodr.9
@@ -36,6 +36,8 @@
 .Nm resettodr
 .Nd set battery-backed clock from system time
 .Sh SYNOPSIS
+.Fd #include <sys/types.h>
+.Fd #include <sys/systm.h>
 .Ft void
 .Fn resettodr "void"
 .Sh DESCRIPTION
diff --git a/share/man/man9/store.9 b/share/man/man9/store.9
index 6b095d1e692..2982685f3ac 100644
--- a/share/man/man9/store.9
+++ b/share/man/man9/store.9
@@ -45,6 +45,7 @@
 .Sh SYNOPSIS
 .Fd #include <sys/types.h>
 .Fd #include <sys/systm.h>
+.Fd #include <sys/resourcevar.h>
 .Ft int
 .Fn subyte "void *base" "int byte"
 .Ft int