diff --git a/docs/ports.md b/docs/ports.md
index 7776bf3..af223a3 100644
--- a/docs/ports.md
+++ b/docs/ports.md
@@ -15,7 +15,8 @@ This file explains which ports are used and for what reason (please categorize t
 8443 - open - another justmn's personal port\
 2047 - open - another justmn's personal port\
 2048 - open - another justmn's personal port\
-1489 - open - miko089's foundry instance
+1489 - open - miko089's foundry instance\
+9999 - closed - cat thing
 
 ## Rules
 If you want to add some extra port, then please: