diff --git a/calibre_web/rootfs/etc/cont-init.d/00-a_migrate.sh b/calibre_web/rootfs/etc/cont-init.d/00-a_migrate.sh
index 0fd98eef4..740b4f222 100755
--- a/calibre_web/rootfs/etc/cont-init.d/00-a_migrate.sh
+++ b/calibre_web/rootfs/etc/cont-init.d/00-a_migrate.sh
@@ -12,4 +12,5 @@ if [ -d /homeassistant/addons_config/calibre-web ]; then
     rm -r /homeassistant/addons_config/calibre-web
 fi
 
+# Provide retrocompatibility
 ln -sf /config /homeassistant/addons_config/calibre-web