diff --git a/Collectively-owned-instances.md b/Collectively-owned-instances.md
index 24e17e1..06d0f0d 100644
--- a/Collectively-owned-instances.md
+++ b/Collectively-owned-instances.md
@@ -14,7 +14,7 @@ Where the instance (or the fediverse) is the/a main purpose of the entity.
 
 * [social.anoxinon.de](https://social.anoxinon.de) - Anoxinon e.V., DE, EU *(Mastodon)*
 * [toot.aquilenet.fr](https://toot.aquilenet.fr), [tube.aquilenet.fr](https://tube.aquilenet.fr) - [Aquilenet](https://www.aquilenet.fr/lassociation/statuts/), FR, EU *(Mastodon, PeerTube)*
-* [chaos.social](https://chaos.social/) - [chaos.social e.V.](https://meta.chaos.social/terms#iii-imprint), DE, EU
+* [chaos.social](https://chaos.social/) - [chaos.social e.V.](https://meta.chaos.social/terms#iii-imprint), DE, EU *(Mastodon)*
 * [cosocial.ca](https://cosocial.ca/) - [CoSocial community cooperative](https://cosocial.info/about/), CA *(Mastodon)*
 * [social.data.coop](https://social.data.coop) - for members of the [cooperative](https://data.coop/medlem/), DK, EU *(Mastodon)*
 * [freiburg.social](https://freiburg.social) - freiburg.social e.V., DE, EU *(Mastodon)*