4 files changed, 7 insertions, 3 deletions

diff --git a/lib/libc/sys/getitimer.2 b/lib/libc/sys/getitimer.2
index ac2e59a26f65..5d94d72dd275 100644
--- a/lib/libc/sys/getitimer.2
+++ b/lib/libc/sys/getitimer.2
@@ -158,7 +158,8 @@ to be handled.
 .Sh SEE ALSO
 .Xr select 2 ,
 .Xr sigvec 2 ,
-.Xr gettimeofday 2
+.Xr gettimeofday 2 ,
+.Xr clocks 7
 .Sh HISTORY
 The
 .Nm
diff --git a/lib/libc/sys/getrusage.2 b/lib/libc/sys/getrusage.2
index b75bccc3dc83..8e854f7c0002 100644
--- a/lib/libc/sys/getrusage.2
+++ b/lib/libc/sys/getrusage.2
@@ -154,7 +154,8 @@ parameter is not in a valid part of the process address space.
 .El
 .Sh SEE ALSO
 .Xr gettimeofday 2 ,
-.Xr wait 2
+.Xr wait 2 ,
+.Xr clocks 7
 .Sh BUGS
 There is no way to obtain information about a child process
 that has not yet terminated.
diff --git a/lib/libc/sys/gettimeofday.2 b/lib/libc/sys/gettimeofday.2
index 9426de6023f9..a63f526ae428 100644
--- a/lib/libc/sys/gettimeofday.2
+++ b/lib/libc/sys/gettimeofday.2
@@ -111,6 +111,7 @@ A user other than the super-user attempted to set the time.
 .Xr date 1 ,
 .Xr adjtime 2 ,
 .Xr ctime 3 ,
+.Xr clocks 7 ,
 .Xr timed 8
 .Sh HISTORY
 The
diff --git a/lib/libc/sys/select.2 b/lib/libc/sys/select.2
index e923ea4a12fd..0fdd13732d43 100644
--- a/lib/libc/sys/select.2
+++ b/lib/libc/sys/select.2
@@ -149,7 +149,8 @@ negative or too large.
 .Xr read 2 ,
 .Xr recv 2 ,
 .Xr send 2 ,
-.Xr write 2
+.Xr write 2 ,
+.Xr clocks 7
 .Sh BUGS
 Although the provision of
 .Xr getdtablesize 2