diff --git a/docs/PORTABILITY_AND_STABILITY.md b/docs/PORTABILITY_AND_STABILITY.md
index ebea93b526..95bfcb98d3 100644
--- a/docs/PORTABILITY_AND_STABILITY.md
+++ b/docs/PORTABILITY_AND_STABILITY.md
@@ -96,6 +96,8 @@ And now, here's the list of (hopefully) all APIs that we have introduced with sy
 | [$NOTIFY_SOCKET Daemon Notifications](https://www.freedesktop.org/software/systemd/man/sd_notify.html) | Environment | yes | yes | a few, including udev | yes | - | no |
 | [argv[0][0]='@' Logic](https://www.freedesktop.org/wiki/Software/systemd/RootStorageDaemons) | `/proc` marking | yes | yes | mdadm | yes | - | no |
 | [Unit file format](https://www.freedesktop.org/software/systemd/man/systemd.unit.html) | File format | yes | yes | numerous | no | - | no |
+| [Network](https://www.freedesktop.org/software/systemd/man/systemd.network.html) & [Netdev file format](https://www.freedesktop.org/software/systemd/man/systemd.netdev.html) | File format | yes | yes | no | no | - | no |
+| [Link file format](https://www.freedesktop.org/software/systemd/man/systemd.link.html) | File format | yes | yes | no | no | - | no |
 | [Journal File Format](https://www.freedesktop.org/wiki/Software/systemd/journal-files) | File format | yes | yes | - | maybe | - | no |
 | [Journal Export Format](https://www.freedesktop.org/wiki/Software/systemd/export) | File format | yes | yes | - | yes | - | no |
 | [Cooperation in cgroup tree](https://www.freedesktop.org/wiki/Software/systemd/PaxControlGroups) | Treaty | yes | yes | libvirt | yes | libvirt | no |