spelling: you missed this one david ;)

src/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.
 .\"
-.\"	$OpenBSD: atexit.3,v 1.6 2005/08/06 18:43:23 deraadt Exp $
+.\"	$OpenBSD: atexit.3,v 1.7 2005/08/22 14:17:31 jmc Exp $
 .\"
 .Dd June 29, 1991
 .Dt ATEXIT 3
@@ -59,7 +59,7 @@ and more are allowed as long as sufficient memory can be allocated.
 is very difficult to use correctly without creating
 .Xr exit 3 Ns -time
 races.
-Unless absolutely neccessary, please avoid using it.
+Unless absolutely necessary, please avoid using it.
 .Sh RETURN VALUES
 .Rv -std atexit
 .Sh ERRORS