diff --git a/servers/media-core/media-core/README.md b/servers/media-core/media-core/README.md
index 2536622..06b5f31 100644
--- a/servers/media-core/media-core/README.md
+++ b/servers/media-core/media-core/README.md
@@ -1,6 +1,7 @@
 # media-core
 
-Arcane-managed media automation services on `media-core` (`192.168.50.46`).
+Media automation services on `media-core` (`192.168.50.46`), with the Compose
+source prepared for Arcane management.
 
 This first migration group contains NZBHydra2, Lidarr, and Whisparr. Download
 clients remain on unRaid; Lidarr and Whisparr use the unRaid SABnzbd instance.
@@ -14,3 +15,9 @@ Host prerequisites:
 
 The image digests match the source containers on `192.168.50.10` at the
 2026-09-05 migration snapshot. Upgrade only after migration acceptance.
+
+The initial cutover was deployed from `/opt/media-core/compose.yaml`. Arcane
+currently sees the containers but does not yet hold a Project record. A first
+Git Sync registration was rolled back because Arcane v2.9.0 incorrectly bound
+it to Environment `0` and the Manager-side repository clone timed out. Do not
+assume Git pushes redeploy this stack until that control-plane issue is fixed.