diff --git a/testserver/docker_matrix/templates/README b/testserver/docker_matrix/templates/README
index cbf322fa73a55334e3ec3f4c089fb82e5e50e400..bb58fc81e12115a6809676031a24294ee19ef5fb 100644
--- a/testserver/docker_matrix/templates/README
+++ b/testserver/docker_matrix/templates/README
@@ -1 +1,5 @@
-the rest-auth_provider is from https://githubcom/ma1uta/matrix-synapse-rest-password-provider/
+
+Funktionierende oidc-Konfiguration mit authentik
+  - https://www.youtube.com/watch?v=MwOh4NvPdtQ
+  - https://github.com/matrix-org/tutorial-oidc-playground
+
diff --git a/testserver/docker_matrix/templates/synapse-data/homeserver.yaml b/testserver/docker_matrix/templates/synapse-data/homeserver.yaml
index 19466aa996ae556f604c52748ae6e3ccf94fafad..7415de8c4f12868621649784372a85f7077d222a 100644
--- a/testserver/docker_matrix/templates/synapse-data/homeserver.yaml
+++ b/testserver/docker_matrix/templates/synapse-data/homeserver.yaml
@@ -105,7 +105,7 @@ oidc_providers:
       config:
         subject_claim: "preferred_username"
         localpart_template: "{% raw %}{{ user.preferred_username }}{% endraw %}"
-        display_name_template: "{% raw %}{{ user.preferred_username }}{% endraw %}"
+        display_name_template: "{% raw %}{{ user.name }}{% endraw %}"
         email_template: "{% raw %}{{ user.email }}{% endraw %}"