diff --git a/adr/0003-monitoring-stack.md b/adr/0003-monitoring-stack.md
index 91d6b13..a040811 100644
--- a/adr/0003-monitoring-stack.md
+++ b/adr/0003-monitoring-stack.md
@@ -1,3 +1,5 @@
 # internal-docs — 0003-monitoring-stack
 
 (Initial — see git history.)
+
+# update 7 (2026-04)