-.\" $OpenBSD: BN_GF2m_add.3,v 1.4 2022/11/20 23:35:00 schwarze Exp $
+.\" $OpenBSD: BN_GF2m_add.3,v 1.5 2022/12/06 02:12:05 jsg Exp $
.\"
.\" Copyright (c) 2022 Ingo Schwarze <schwarze@openbsd.org>
.\"
.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
.\"
-.Dd $Mdocdate: November 20 2022 $
+.Dd $Mdocdate: December 6 2022 $
.Dt BN_GF2M_ADD 3
.Os
.Sh NAME
.Po
$r = a - b = a + b$
.Pc .
-Since \-1 is the same as 1 in binary arithmethic,
+Since \-1 is the same as 1 in binary arithmetic,
.Fn BN_GF2m_sub
does exactly the same as
.Fn BN_GF2m_add .