diff --git a/README.md b/README.md
index 8909f343..2e7e3cda 100644
--- a/README.md
+++ b/README.md
@@ -4,15 +4,15 @@ The Nextcloud Guests app allows you to create users which can only see files sha
 
 ![image](https://github.com/nextcloud/guests/assets/1731941/e1d1f71d-458f-48c1-a837-b3c9d6d03ac3)
 
-Guests accounts can be created from the share menu by entering either the recipients email or name and choosing *Invite guest*. Once the 
+Guests accounts can be created from the share menu by entering either the recipients email or name and choosing *Invite guest*. Once the
 share is created the guest user will receive an email notification about the mail with a link to set their password.
 
-Guests users can only access files shared to them and cannot create any files outside of shares. Additionally, the apps accessible to guest 
+Guests users can only access files shared to them and cannot create any files outside of shares. Additionally, the apps accessible to guest
 accounts are whitelisted.
 
 ## Installation
 
-The app is published in the [app store](https://apps.nextcloud.com/apps/guests). It can be [installed through Nextcloud's app management UI](https://docs.nextcloud.com/server/latest/admin_manual/apps_management.html#managing-apps). 
+The app is published in the [app store](https://apps.nextcloud.com/apps/guests). It can be [installed through Nextcloud's app management UI](https://docs.nextcloud.com/server/latest/admin_manual/apps_management.html#managing-apps).
 
 ## Development
 
@@ -141,6 +141,8 @@ In addition, the following apps are always whitelisted to ensure minimal functio
 By default, guests will not be able to list other users in the system, but if a guest gets added to a group they will be able
 to list users within that group (and, for example, share files with those users).
 
+As a result, guests will be able to see each other as they are part of the same `guest` group. To prevent that behavior, you can add the `guest` group to the "Exclude groups from sharing" settings. You can find more information in [our documentation about sharing](https://docs.nextcloud.com/server/21/admin_manual/configuration_files/file_sharing_configuration.html).
+
 ### Converting guest users to full users
 
 Guest users can be automatically converted into full users (provided by any other user back end like SAML, LDAP, OAuth, database...) on their next login. When this happens they will retain their shares.