diff --git a/29.md b/29.md
index 601d63ad..167ed38f 100644
--- a/29.md
+++ b/29.md
@@ -153,6 +153,7 @@ When this event is not found, clients may still connect to the group, but treat
     ["name", "Pizza Lovers"],
     ["picture", "https://pizza.com/pizza.png"],
     ["about", "a group for people who love pizza"],
+    ["guidelines", "Rule #1: No pineapple"]
     ["public"], // or ["private"]
     ["open"] // or ["closed"]
   ]
@@ -160,7 +161,7 @@ When this event is not found, clients may still connect to the group, but treat
 }
 ```
 
-`name`, `picture` and `about` are basic metadata for the group for display purposes. `public` signals the group can be _read_ by anyone, while `private` signals that only AUTHed users can read. `open` signals that anyone can request to join and the request will be automatically granted, while `closed` signals that members must be pre-approved or that requests to join will be manually handled.
+`name`, `picture`, `about`, and `guidelines` are basic metadata for the group for display purposes. `public` signals the group can be _read_ by anyone, while `private` signals that only AUTHed users can read. `open` signals that anyone can request to join and the request will be automatically granted, while `closed` signals that members must be pre-approved or that requests to join will be manually handled.
 
 - *group admins* (`kind:39001`) (optional)