diff --git a/runbooks/oncall-rotation.md b/runbooks/oncall-rotation.md
index 0a8e445..7ea5dbc 100644
--- a/runbooks/oncall-rotation.md
+++ b/runbooks/oncall-rotation.md
@@ -1,3 +1,5 @@
 # internal-docs — oncall-rotation
 
 (Initial — see git history.)
+
+# update 2 (2026-04)