diff --git a/schema/v1.json b/schema/v1.json
index abd540a..40abd92 100644
--- a/schema/v1.json
+++ b/schema/v1.json
@@ -1,6 +1,7 @@
 {
   "$schema": "http://json-schema.org/draft-07/schema#",
   "$id": "https://opencoachingformat.org/schema/v1.json",
+  "$comment": "Schema version 1.1.0. The $id stays v1 across all backwards-compatible 1.x releases; version-pinned copies live at /<version>/ocf-action-v1.json.",
   "title": "Open Coaching Format",
   "description": "Open standard for basketball drill diagrams and animations. Semantic action model.",
   "type": "object",