diff --git a/README.md b/README.md
index c37b5ca..25daf07 100644
--- a/README.md
+++ b/README.md
@@ -60,9 +60,9 @@ No component crosses more than one gate.
          ↓
      CORE (analysis)
          ↓
-(optional, human-approved)
-↓
-TOOL-EXEC (sandboxed execution)
+ (optional, human-approved)
+	 ↓
+ TOOL-EXEC (sandboxed execution)
 
 ---
 
@@ -82,12 +82,14 @@ Capabilities:
 
 ## Repository Structure (Initial)
 
+```
 ThreeGate/
 ├── README.md
 ├── docs/
 │ ├── architecture.md
 │ ├── threat-model.md
 │ └── why-this-is-safer.md
+```
 
 ---