diff --git a/src/secure-chat-moderator.ts b/src/secure-chat-moderator.ts
index 2376064..b7171cf 100644
--- a/src/secure-chat-moderator.ts
+++ b/src/secure-chat-moderator.ts
@@ -19,6 +19,8 @@ import { attenuate, rfilter, pRec, pPointer, pString, pLit } from "./rewrite.js"
 export default function (t: Turn, ds: Ref) {
     let nextUserId: UserId = 0;
 
+    // TODO: print out limited authority, only allowed to observe $joinedUser
+
     const nicks = new Map<string, UserId>();
 
     observe(t, ds, $Observe, during((t, o0) => {