diff --git a/common/changes/@anticrm/core/hierarchy-doc_2021-08-04-18-03.json b/common/changes/@anticrm/core/hierarchy-doc_2021-08-04-18-03.json
new file mode 100644
index 0000000000..fec20c1f67
--- /dev/null
+++ b/common/changes/@anticrm/core/hierarchy-doc_2021-08-04-18-03.json
@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "@anticrm/core",
+      "comment": "Add `hierarchy.ts` docs",
+      "type": "patch"
+    }
+  ],
+  "packageName": "@anticrm/core"
+}
\ No newline at end of file