diff --git a/man2/keyctl.2 b/man2/keyctl.2
index ed132e5f3..197560292 100644
--- a/man2/keyctl.2
+++ b/man2/keyctl.2
@@ -1542,6 +1542,15 @@ and should contain zeroes since Linux 4.13.
 .IP
 The KDF implementation complies with SP800-56A as well
 as with SP800-108 (the counter KDF).
+.IP
+.\" keyutils commit 742c9d7b94051d3b21f9f61a73ed6b5f3544cb82
+.\" keyutils commit d68a981e5db41d059ac782071c35d1e8f3aaf61c
+This operation is exposed by
+.I libkeyutils
+(from version 1.5.10 onwards) via the functions
+.BR keyctl_dh_compute (3)
+and
+.BR keyctl_dh_compute_alloc (3).
 .TP
 .BR KEYCTL_RESTRICT_KEYRING " (since Linux 4.12)"
 .\" commit 6563c91fd645556c7801748f15bc727c77fcd311
@@ -2228,6 +2237,8 @@ main(int argc, char *argv[])
 .BR keyctl_clear (3),
 .BR keyctl_describe (3),
 .BR keyctl_describe_alloc (3),
+.BR keyctl_dh_compute (3),
+.BR keyctl_dh_compute_alloc (3),
 .BR keyctl_get_keyring_ID (3),
 .BR keyctl_get_persistent (3),
 .BR keyctl_get_security (3),