diff --git a/PLAN.md b/PLAN.md
index e3357aa63eb1357cc486b57294ee316439f9fd99..e25bde176f180e2c021a4e87264651b2bbfcad25 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 5.5 — Branch rules.
+**Current milestone:** Milestone 5.6 — SSH pull-request commands.
 Update this marker only after the current milestone gate passes.
 
 ### Architecture