diff --git a/PLAN.md b/PLAN.md
index d6f88a56acb21e8e0d78b57eef6023403d31d7ac..a9c126d25186d7fd4468c8ba11e73a0e43292e32 100644
--- a/PLAN.md
+++ b/PLAN.md
@@ -331,7 +331,7 @@
 preceding gate passes. If a feasibility gate fails, change the design before
 you continue the feature work.
 
-**Current milestone:** Milestone 4.2 — Issues.
+**Current milestone:** Milestone 4.3 — Watches.
 Update this marker only after the current milestone gate passes.
 
 ### Architecture