diff --git a/docker/main/rootfs/etc/s6-overlay/s6-rc.d/prepare/run b/docker/main/rootfs/etc/s6-overlay/s6-rc.d/prepare/run
index 76ab990609..257d0d9574 100755
--- a/docker/main/rootfs/etc/s6-overlay/s6-rc.d/prepare/run
+++ b/docker/main/rootfs/etc/s6-overlay/s6-rc.d/prepare/run
@@ -153,13 +153,9 @@ if [[ "$(id -u)" -eq 0 ]]; then
     if [[ "${FRIGATE_RUN_AS_ROOT:-false}" == "true" ]]; then
         rm -f /config/.permissions_version
     else
-        # Only record the sentinel when something is mounted under /media: a
-        # sweep blessed against the container-local dir created below would let
-        # a volume attached later skip the sweep forever
-        # Only bless the sentinel when persistent storage actually backs
-        # /media/frigate, i.e. a mount at that exact path or below it. A mount
-        # at the /media parent does not count: a dedicated /media/frigate volume
-        # added later would shadow the swept directory and be skipped forever.
+        # Only bless the sentinel when a mount backs /media/frigate itself or
+        # below it. A parent /media mount doesn't count: a dedicated
+        # /media/frigate volume added later would be shadowed and skipped.
         sentinel_args=(--sentinel /config/.permissions_version)
         if ! awk '$2 == "/media/frigate" || $2 ~ /^\/media\/frigate\//' /proc/mounts | grep -q .; then
             sentinel_args=()