Update README.md

README.md

@@ -74,7 +74,7 @@ Most fraud detection pipelines are **static**. Ours **gets harder for itself ove
 ---
 
 ## 🤖 5-Agent Architecture
-'''
+```
 🎯 Regulator ──bias weights──────────────────────────────────► ⚡ Generator
      ▲                                                                │
      │                                                      raw invoice text
@@ -84,7 +84,8 @@ Most fraud detection pipelines are **static**. Ours **gets harder for itself ove
      │                                                     structured data
      │                                                                ▼
      └──── episode outcome ──── ✅ Approver ◄─audit results─── 🕵️ Auditor
-'''
+```
+
 <div align="center">
 
 | Agent | Role | Reward Signal |