diff --git a/README.md b/README.md
index 709179c..fa62249 100644
--- a/README.md
+++ b/README.md
@@ -118,7 +118,8 @@ Version numbers correlate directly to the active phase:
 - **Phase 4 — Forms + Backend Hardening**: `0.4.x` 🔄 In Progress
   - ~~Contact and support forms fully wired to Express~~ ✅
   - ~~SQLite persistence verified~~ ✅
-  - Validation and user feedback with Sonner
+  - ~~Client-side validation + Sonner feedback~~ ✅
+  - Server-side validation + input sanitization
   - Optional Zoho forwarding layer
   - Backend/API hardening as needed