diff --git a/lib/libc/gen/sysctl.3 b/lib/libc/gen/sysctl.3
--- a/lib/libc/gen/sysctl.3
+++ b/lib/libc/gen/sysctl.3
@@ -511,6 +511,7 @@
 .It Dv KERN_PROC_NFDS Ta "Integer"
 .It Dv KERN_PROC_SIGFASTBLK Ta "Integer"
 .It Dv KERN_PROC_VM_LAYOUT Ta "struct kinfo_vm_layout"
+.It Dv KERN_PROC_RLIMIT_USAGE Ta "rlim_t [RLIM_NLIMITS]"
 .It Dv KERN_PROC_KQUEUE Ta "struct kinfo_knote []"
 .El
 .Pp
@@ -585,6 +586,9 @@
 location, if active.
 .It Dv KERN_PROC_VM_LAYOUT
 Fills a structure describing process virtual address space layout.
+.It Dv KERN_PROC_RLIMIT_USAGE
+Fills an array of scalar values describing the current resource
+utilization of the target process.
 .It Dv KERN_PROC_KQUEUE
 Fills an array of structures describing events registered with
 the specified kqueue.