diff --git a/backend/docs/devops/index.rst b/backend/docs/devops/index.rst
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+.. _devops_index:
+
+====================
+DevOps documentation
+====================
+
+Here you can find documentation for DevOps.
+
+Content
+=======
+
+.. toctree::
+    :maxdepth: 3
+
+    oidc
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diff --git a/backend/docs/devops/oidc.rst b/backend/docs/devops/oidc.rst
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+.. _devops_oidc:
+
+Configuration for OIDC
+======================
+
+- ``SESSION_COOKIE_AGE`` should have the same duration as the identity provider. 
+  Otherwise you end up with mismatching sessions between Django and IdP (see Github `issue`_).
+  For Keycloak, it should match the realm setting ``ssoSessionIdleTimeout``.
+
+.. _issue: https://github.com/maykinmedia/open-archiefbeheer/issues/422
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