diff --git a/PLAN.md b/PLAN.md
index 21dbb78..35f5af9 100644
--- a/PLAN.md
+++ b/PLAN.md
@@ -74,7 +74,7 @@ Goal: A working SSH honeypot that logs attempts, stores them in SQLite, and can
 - Retention policy: background goroutine that prunes old records on a schedule
 - **Database migrations:** Version-tracked migrations using embedded SQL files. Store current schema version in a `schema_version` table, apply pending migrations on startup. Keep it simple - no external migration tool, just sequential numbered `.sql` files embedded in the binary.
 
-### 1.4 Shell Interface & Registry
+### 1.4 Shell Interface & Registry ✅
 - Shell interface definition
 - Registry with weighted random selection
 - Basic bash-like shell: