diff --git a/protocol-doc.md b/protocol-doc.md
index a11a41042e..866bd7402b 100644
--- a/protocol-doc.md
+++ b/protocol-doc.md
@@ -7,9 +7,9 @@ Pokemon Showdown is implemented in SockJS. SockJS is a compatibility
 layer over raw WebSocket, so you can actually connect to Pokemon
 Showdown directly using WebSocket:
 
-    ws://sim.psim.us:8000/showdown/websocket
+    ws://sim.smogon.com:8000/showdown/websocket
       or
-    wss://sim.psim.us/showdown/websocket
+    wss://sim.smogon.com/showdown/websocket
 
 
 Client-to-server messages