diff --git a/man2/syscalls.2 b/man2/syscalls.2
index f0b13f5c9..4393c84e8 100644
--- a/man2/syscalls.2
+++ b/man2/syscalls.2
@@ -217,6 +217,7 @@ T}
 \fBclock_settime\fP(2)	2.6
 \fBclone2\fP(2)	2.4	IA-64 only
 \fBclone\fP(2)	1.0
+\fBclone3\fP(2)	5.3
 \fBclose\fP(2)	1.0
 .\" .\" dcef1f634657dabe7905af3ccda12cf7f0b6fcc1
 .\" .\" cc20d42986d5807cbe4f5c7c8e3dab2e59ea0db3
@@ -535,6 +536,7 @@ T}
 .\"	commit c7d5a0050773e98d1094eaa9f2a1a793fafac300 removed perfctr()
 \fBperfmonctl\fP(2)	2.4	IA-64 only
 \fBpidfd_send_signal\fP(2)	5.1
+\fBpidfd_open\fP(2)	5.3
 \fBpipe\fP(2)	1.0
 \fBpipe2\fP(2)	2.6.27
 \fBpivot_root\fP(2)	2.4