diff --git a/man2/sigaction.2 b/man2/sigaction.2
index 9b6d4038d..ff21045ed 100644
--- a/man2/sigaction.2
+++ b/man2/sigaction.2
@@ -1035,6 +1035,7 @@ See
 .BR kill (1),
 .BR kill (2),
 .BR pause (2),
+.BR pidfd_send_signal (2)
 .BR restart_syscall (2),
 .BR seccomp (2)
 .BR sigaltstack (2),