CHANGELOG: document breaking configuration change regarding multiple prefixes
**TBD (TBD):**
- Fixed issue where hosts deleted from control server may be written back to the database, as long as they are connected to the control server [#278](https://github.com/juanfont/headscale/pull/278)
- )
+- `ip_prefix` is now superseded by `ip_prefixes` in the configuration [#208](https://github.com/juanfont/headscale/pull/208)
+
**0.12.3 (2022-01-13):**
