diff --git a/PLAN.md b/PLAN.md
index 7d7e73e82deed3853613196647629e2897e99e3f..f7ee3287354035a615c70bf1c10ecd2c39208412 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 4.6 — SSH issue commands.
+**Current milestone:** Milestone 5.1 — Pull-request refs.
 Update this marker only after the current milestone gate passes.
 
 ### Architecture