Update README.md

Author: john-althouse

zeek/README.md

@@ -11,7 +11,9 @@ JA4LS → `conn.log`
 JA4T → `conn.log`  
 JA4TS → `conn.log`  
 JA4SSH → `ja4ssh.log`  
-JA4X → `x509.log` (still in development)  
+JA4D → `ja4d.log`  
+JA4D6 → `ja4d.log` (awaiting Zeek DHCPv6 suppport)  
+JA4X → `x509.log` (awaiting Zeek object support)  
 
 See [JA4+ and implementations into other open source tools](../README.md) for more detail on JA4+ and implementations into other open source tools.