diff --git a/lib/libc/sys/mq_close.2 b/lib/libc/sys/mq_close.2
index c2968fb5e652..ed634340f385 100644
--- a/lib/libc/sys/mq_close.2
+++ b/lib/libc/sys/mq_close.2
@@ -34,7 +34,7 @@
 .Nm mq_close
 .Nd "close a message queue (REALTIME)"
 .Sh LIBRARY
-.Lb libc
+.Lb librt
 .Sh SYNOPSIS
 .In mqueue.h
 .Ft int
diff --git a/lib/libc/sys/mq_getattr.2 b/lib/libc/sys/mq_getattr.2
index f34c49812d55..2a52662b92e1 100644
--- a/lib/libc/sys/mq_getattr.2
+++ b/lib/libc/sys/mq_getattr.2
@@ -34,7 +34,7 @@
 .Nm mq_getattr
 .Nd "get message queue attributes (REALTIME)"
 .Sh LIBRARY
-.Lb libc
+.Lb librt
 .Sh SYNOPSIS
 .In mqueue.h
 .Ft int
diff --git a/lib/libc/sys/mq_notify.2 b/lib/libc/sys/mq_notify.2
index e7361d48f5c4..a22d826a13b8 100644
--- a/lib/libc/sys/mq_notify.2
+++ b/lib/libc/sys/mq_notify.2
@@ -34,7 +34,7 @@
 .Nm mq_notify
 .Nd "notify process that a message is available (REALTIME)"
 .Sh LIBRARY
-.Lb libc
+.Lb librt
 .Sh SYNOPSIS
 .In mqueue.h
 .Ft int
diff --git a/lib/libc/sys/mq_open.2 b/lib/libc/sys/mq_open.2
index 940ddfce0330..95230effabbb 100644
--- a/lib/libc/sys/mq_open.2
+++ b/lib/libc/sys/mq_open.2
@@ -34,7 +34,7 @@
 .Nm mq_open
 .Nd "open a message queue (REALTIME)"
 .Sh LIBRARY
-.Lb libc
+.Lb librt
 .Sh SYNOPSIS
 .In mqueue.h
 .Ft mqd_t
diff --git a/lib/libc/sys/mq_receive.2 b/lib/libc/sys/mq_receive.2
index e9e5efd6a092..4c5dc0883c39 100644
--- a/lib/libc/sys/mq_receive.2
+++ b/lib/libc/sys/mq_receive.2
@@ -34,7 +34,7 @@
 .Nm mq_receive , mq_timedreceive
 .Nd "receive a message from message queue (REALTIME)"
 .Sh LIBRARY
-.Lb libc
+.Lb librt
 .Sh SYNOPSIS
 .In mqueue.h
 .Ft ssize_t
diff --git a/lib/libc/sys/mq_send.2 b/lib/libc/sys/mq_send.2
index 0d63a4069ace..b57a86578dae 100644
--- a/lib/libc/sys/mq_send.2
+++ b/lib/libc/sys/mq_send.2
@@ -34,7 +34,7 @@
 .Nm mq_send , mq_timedsend
 .Nd "send a message to message queue (REALTIME)"
 .Sh LIBRARY
-.Lb libc
+.Lb librt
 .Sh SYNOPSIS
 .In mqueue.h
 .Ft int
diff --git a/lib/libc/sys/mq_setattr.2 b/lib/libc/sys/mq_setattr.2
index e5f0726f538a..0cafdf3b6d3f 100644
--- a/lib/libc/sys/mq_setattr.2
+++ b/lib/libc/sys/mq_setattr.2
@@ -34,7 +34,7 @@
 .Nm mq_setattr
 .Nd "set message queue attributes (REALTIME)"
 .Sh LIBRARY
-.Lb libc
+.Lb librt
 .Sh SYNOPSIS
 .In mqueue.h
 .Ft int
diff --git a/lib/libc/sys/timer_create.2 b/lib/libc/sys/timer_create.2
index 9e4bc237d3bf..36eae434df51 100644
--- a/lib/libc/sys/timer_create.2
+++ b/lib/libc/sys/timer_create.2
@@ -34,7 +34,7 @@
 .Nm timer_create
 .Nd "create a per-process timer (REALTIME)"
 .Sh LIBRARY
-.Lb libc
+.Lb librt
 .Sh SYNOPSIS
 .In time.h
 .Ft int
diff --git a/lib/libc/sys/timer_delete.2 b/lib/libc/sys/timer_delete.2
index 36d9775be7b1..a1b245a52752 100644
--- a/lib/libc/sys/timer_delete.2
+++ b/lib/libc/sys/timer_delete.2
@@ -34,7 +34,7 @@
 .Nm timer_delete
 .Nd "delete a per-process timer (REALTIME)"
 .Sh LIBRARY
-.Lb libc
+.Lb librt
 .Sh SYNOPSIS
 .In time.h
 .Ft int
diff --git a/lib/libc/sys/timer_settime.2 b/lib/libc/sys/timer_settime.2
index 82f3eb7ae4ad..4b9d93823b09 100644
--- a/lib/libc/sys/timer_settime.2
+++ b/lib/libc/sys/timer_settime.2
@@ -36,7 +36,7 @@
 .Nm timer_settime
 .Nd "per-process timers (REALTIME)"
 .Sh LIBRARY
-.Lb libc
+.Lb librt
 .Sh SYNOPSIS
 .In time.h
 .Ft int