doc: Fix broken link to "per-zone-settings-domain-metadata"

diff --git a/docs/appendices/backend-writers-guide.rst b/docs/appendices/backend-writers-guide.rst
index 002ef194dc6f73d550c14b53f525fdd2078b3964..1943b9d8582b2b29d9e990d822c0e20cfd39daa0 100644 (file)
--- a/docs/appendices/backend-writers-guide.rst
+++ b/docs/appendices/backend-writers-guide.rst
@@ -816,7 +816,7 @@ other update/remove functionality at a later stage.
 Domain metadata support
 -----------------------
 
-As described in :ref:`per-zone-settings-domain-metadata`, each served zone can have “metadata”. Such metadata determines how this zone behaves in certain circumstances.
+As described in :doc:`../domainmetadata`, each served zone can have “metadata”. Such metadata determines how this zone behaves in certain circumstances.
 In order for a backend to support domain metadata, the following operations have to be implemented:
 
 .. code-block:: cpp