docs: Update README.md

README.md

@@ -16,9 +16,9 @@ We aim for the 1.0 release to be functional and stable to operate peering sessio
 
 * ☐ Implement basic parsers for the fundamental types required
   * ✅ Path Attributes from RFC4271
-  * ☐ Open message
-    * ☐ Capabilities from RFC4271
-  * ☐ Update message
+  * ✅ Open message
+    * ✅ Capabilities from RFC4271
+  * ✅ Update message
   * ☐ Notification message
 * ☐ Implement connection logic to establish sessions with peers
 * ☐ Implement an efficient data structure for storing prefixes (e.g. Poptrie)