diff --git a/share/man/man4/lo.4 b/share/man/man4/lo.4
index 7bc806e5a00..f1ac67c7d7d 100644
--- a/share/man/man4/lo.4
+++ b/share/man/man4/lo.4
@@ -29,7 +29,7 @@
 .\"
 .\"     @(#)lo.4	8.1 (Berkeley) 6/5/93
 .\"
-.Dd January 25, 2012
+.Dd June 23, 2024
 .Dt LO 4
 .Os
 .Sh NAME
@@ -57,11 +57,11 @@ be configured first unless no hardware
 interfaces exist.
 .Pp
 If the transmit checksum offload capability flag is enabled on a loopback
-interface, checksums will not be generated by IP, UDP, or TCP for packets
+interface, checksums will not be generated by IP, UDP, TCP, or SCTP for packets
 sent on the interface.
 .Pp
 If the receive checksum offload capability flag is enabled on a loopback
-interface, checksums will not be validated by IP, UDP, or TCP for packets
+interface, checksums will not be validated by IP, UDP, TCP, or SCTP for packets
 received on the interface.
 .Pp
 By default, both receive and transmit checksum flags will be enabled, in