diff --git a/calendars.md b/calendars.md
index 9b2bf32..237951c 100644
--- a/calendars.md
+++ b/calendars.md
@@ -2,10 +2,15 @@
 
 1. Ensure the person has a [May First Movement Technology](https://mayfirst.org/ ) user account.
 2. Log into NextCloud at [share.mayfirst.org](https://share.mayfirst.org/ )
-3. Create a business calendar to be shared with teammates
+3. Create your own business calendar to be shared with teammates
 4. Share the newly created calendar with the Agaric team by clicking "Share" and then typing in the usernames of each member
 5. Ask to be added to the Agaric shared calendar
 
+## Norms and customs
+
+  * Do not post anything to agaric-shared that is not definitely for everyone.
+  * Mute notifications on calendars other than your own and agaric-shared.
+
 
 ## Integrating NextCloud calendars with Thunderbird