diff --git a/lib/libc/stdlib/atexit.3 b/lib/libc/stdlib/atexit.3
--- a/lib/libc/stdlib/atexit.3
+++ b/lib/libc/stdlib/atexit.3
@@ -29,7 +29,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd September 6, 2002
+.Dd January 3, 2026
 .Dt ATEXIT 3
 .Os
 .Sh NAME
@@ -90,6 +90,7 @@
 implementation.
 .El
 .Sh SEE ALSO
+.Xr _exit 2 ,
 .Xr at_quick_exit 3 ,
 .Xr exit 3
 .Sh STANDARDS
diff --git a/lib/libsys/_exit.2 b/lib/libsys/_exit.2
--- a/lib/libsys/_exit.2
+++ b/lib/libsys/_exit.2
@@ -25,7 +25,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd September 8, 2016
+.Dd January 3, 2026
 .Dt EXIT 2
 .Os
 .Sh NAME
@@ -108,6 +108,7 @@
 .Xr fork 2 ,
 .Xr sigaction 2 ,
 .Xr wait 2 ,
+.Xr atexit 3 ,
 .Xr exit 3 ,
 .Xr init 8
 .Sh STANDARDS