fix ascii art linting

Author: paulbastian

draft-ietf-oauth-status-list.md

@@ -902,21 +902,21 @@ Alternatively, the Status Issuer may use the same web-based key resolution that
 If the Issuer of the Referenced Token is a different entity than the Status Issuer, then the keys used for the Status List Token may be cryptographically linked, e.g. by an Certificate Authority through an x.509 PKI. The certificate of the Issuer for the Referenced Token and the Status Issuer should be issued by the same Certificate Authority and the Status Issuer's certificate should utilize [extended key usage](#eku).
 
 ~~~ ascii-art
-┌───────────────────────┐   
-│ Certificate Authority │   
-└─┬─────────────────────┘   
-  │ authorize               
-  │  ┌────────┐             
-  ├─►│ Issuer │             
-  │  └─┬──────┘             
-  │    ▼ update status      
-  │  ┌───────────────┐      
-  └─►│ Status Issuer │      
-     └─┬─────────────┘      
+┌───────────────────────┐
+│ Certificate Authority │
+└─┬─────────────────────┘
+  │ authorize
+  │  ┌────────┐
+  ├─►│ Issuer │
+  │  └─┬──────┘
+  │    ▼ update status
+  │  ┌───────────────┐
+  └─►│ Status Issuer │
+     └─┬─────────────┘
        ▼ provide Status List
-     ┌─────────────────┐    
-     │ Status Provider │    
-     └─────────────────┘    
+     ┌─────────────────┐
+     │ Status Provider │
+     └─────────────────┘
 ~~~
 
 ## Status List Caching