diff --git a/adr/0001-jwt-rotation.md b/adr/0001-jwt-rotation.md
index f9b0391..a033428 100644
--- a/adr/0001-jwt-rotation.md
+++ b/adr/0001-jwt-rotation.md
@@ -1,3 +1,5 @@
 # internal-docs — 0001-jwt-rotation
 
 (Initial — see git history.)
+
+# update 5 (2026-04)