Index: head/sys/kern/sysv_msg.c
===================================================================
--- head/sys/kern/sysv_msg.c
+++ head/sys/kern/sysv_msg.c
@@ -1494,7 +1494,8 @@
     "Number of message segments");
 SYSCTL_PROC(_kern_ipc, OID_AUTO, msqids,
     CTLTYPE_OPAQUE | CTLFLAG_RD | CTLFLAG_MPSAFE,
-    NULL, 0, sysctl_msqids, "", "Message queue IDs");
+    NULL, 0, sysctl_msqids, "",
+    "Array of struct msqid_kernel for each potential message queue");
 
 static int
 msg_prison_check(void *obj, void *data)
Index: head/sys/kern/sysv_sem.c
===================================================================
--- head/sys/kern/sysv_sem.c
+++ head/sys/kern/sysv_sem.c
@@ -230,7 +230,8 @@
     "Adjust on exit max value");
 SYSCTL_PROC(_kern_ipc, OID_AUTO, sema,
     CTLTYPE_OPAQUE | CTLFLAG_RD | CTLFLAG_MPSAFE,
-    NULL, 0, sysctl_sema, "", "Semaphore id pool");
+    NULL, 0, sysctl_sema, "",
+    "Array of struct semid_kernel for each potential semaphore");
 
 static struct syscall_helper_data sem_syscalls[] = {
 	SYSCALL_INIT_HELPER(__semctl),
Index: head/sys/kern/sysv_shm.c
===================================================================
--- head/sys/kern/sysv_shm.c
+++ head/sys/kern/sysv_shm.c
@@ -200,7 +200,7 @@
     "Enable/Disable attachment to attached segments marked for removal");
 SYSCTL_PROC(_kern_ipc, OID_AUTO, shmsegs, CTLTYPE_OPAQUE | CTLFLAG_RD |
     CTLFLAG_MPSAFE, NULL, 0, sysctl_shmsegs, "",
-    "Current number of shared memory segments allocated");
+    "Array of struct shmid_kernel for each potential shared memory segment");
 
 static struct sx sysvshmsx;
 #define	SYSVSHM_LOCK()		sx_xlock(&sysvshmsx)