diff --git a/unraid/unraid-site-manager-public.xml b/unraid/unraid-site-manager-public.xml
index ab658b3..328f24a 100644
--- a/unraid/unraid-site-manager-public.xml
+++ b/unraid/unraid-site-manager-public.xml
@@ -41,5 +41,6 @@ Default ports: Admin (3010) + Public (3011)</Overview>
   <Config Name="Uploads" Target="/app/uploads" Default="/mnt/user/appdata/site-manager/uploads" Mode="ro" Description="Uploaded images (read-only). IMPORTANT: Use the SAME path as your Site Manager Admin container!" Type="Path" Display="always" Required="true" Mask="false">/mnt/user/appdata/site-manager/uploads</Config>
   <Config Name="DB Path" Target="DB_PATH" Default="/app/data/site.db" Mode="" Description="Path to the SQLite database inside the container (leave as default)" Type="Variable" Display="advanced" Required="false" Mask="false">/app/data/site.db</Config>
   <Config Name="Public Port (internal)" Target="PUBLIC_PORT" Default="3011" Mode="" Description="Internal container port. DO NOT CHANGE this value. To use a different port, change the WebUI Port above instead." Type="Variable" Display="advanced" Required="true" Mask="false">3011</Config>
+  <Config Name="Public Only Mode" Target="PUBLIC_ONLY" Default="true" Mode="" Description="Forces read-only public mode. Set to true for this container (auto-detected from read-only volume mount, but recommended to set explicitly)." Type="Variable" Display="advanced" Required="false" Mask="false">true</Config>
   <Config Name="Node Environment" Target="NODE_ENV" Default="production" Mode="" Description="Node environment (leave as production)" Type="Variable" Display="advanced" Required="false" Mask="false">production</Config>
 </Container>
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