docs: fix YAML example formatting in README

README.md

@@ -50,15 +50,15 @@ YAML conveys the same infromation with **fewer tokens**:
 
 ```yaml
 users:
-- id: 1
+  - id: 1
     name: Alice
     role: admin
-- id: 2
+  - id: 2
     name: Bob
     role: user
 ```
 
-TOON conveys the same information with even **fewer tokens**:
+TOON conveys the same information with **even fewer tokens**:
 
 ```
 users[2]{id,name,role}: