diff --git a/man7/epoll.7 b/man7/epoll.7
index 94be6ed34..2bf27e94f 100644
--- a/man7/epoll.7
+++ b/man7/epoll.7
@@ -574,6 +574,15 @@ mechanisms, for example, FreeBSD has
 .IR kqueue ,
 and Solaris has
 .IR /dev/poll .
+.SH NOTES
+The set of file descriptors that is being monitored via
+an epoll file descriptor can be viewed via the entry for
+the epoll file descriptor in the process's
+.IR /proc/[pid]/fdinfo
+directory.
+See
+.BR proc (5)
+for further details.
 .SH SEE ALSO
 .BR epoll_create (2),
 .BR epoll_create1 (2),