1 files changed, 1 insertions, 1 deletions
diff --git a/docs/usage/configuration/config_documentation.md b/docs/usage/configuration/config_documentation.md
index 8ae018e628..5dee38d28d 100644
--- a/docs/usage/configuration/config_documentation.md
+++ b/docs/usage/configuration/config_documentation.md
@@ -431,7 +431,7 @@ Sub-options for each listener include:
 
    * `metrics`: (see the docs [here](../../metrics-howto.md)),
 
-   * `replication`: (see the docs [here](../../workers.md)).
+   * `replication`: (deprecated as of Synapse 1.18, see the docs [here](../../workers.md)).
 
 * `tls`: set to true to enable TLS for this listener. Will use the TLS key/cert specified in tls_private_key_path / tls_certificate_path.