diff --git a/README.adoc b/README.adoc
index 4546271b..2c4b1931 100644
--- a/README.adoc
+++ b/README.adoc
@@ -15,6 +15,8 @@ image::meta/gematik.png[logo,width=250,height=47,role=right]
 
 = TI-Messenger
 
+Öffentlicher Matrixraum: https://matrix.to/#/#tim-spec:matrix.org
+
 image:https://github.com/gematik/api-ti-messenger/actions/workflows/lint.yml/badge.svg[link="https://github.com/gematik/api-ti-messenger/actions/workflows/lint.yml"]
 image:https://github.com/gematik/api-ti-messenger/actions/workflows/generate-images.yml/badge.svg[link="https://github.com/gematik/api-ti-messenger/actions/workflows/generate-images.yml"]