diff --git a/man2/msgctl.2 b/man2/msgctl.2
index bead7b34c..ac59ff862 100644
--- a/man2/msgctl.2
+++ b/man2/msgctl.2
@@ -76,6 +76,49 @@ struct msqid_ds {
 .EE
 .in
 .PP
+The fields of the
+.I msgid_ds
+structure are as follows:
+.TP 11
+.I msg_perm
+This is an
+.I ipc_perm
+structure (see below) that specifies the access permissions on the message
+queue.
+.TP
+.I msg_qnum
+Number of messages currently on the message queue.
+.TP
+.I msg_qbytes
+Maximum number of bytes of message text allowed on the message
+queue.
+.TP
+.I msg_lspid
+ID of the process that performed the last
+.BR msgsnd (2)
+system call.
+.TP
+.I msg_lrpid
+ID of the process that performed the last
+.BR msgrcv (2)
+system call.
+.TP
+.I msg_stime
+Time of the last
+.BR msgsnd (2)
+system call.
+.TP
+.I msg_rtime
+Time of the last
+.BR msgrcv (2)
+system call.
+.TP
+.I msg_ctime
+Time of the last
+system call that changed a member of the
+.I msqid_ds
+structure.
+.PP
 The
 .I ipc_perm
 structure is defined as follows