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index 93c254b59927d2136e65885ab9fbf28973056b61..3d609a26e089201fcb5bb65c1403bdbbf3971d8e 100644
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@@ -1,5 +1,7 @@
 # Overview
 
+Source: https://gitlab.tugraz.at/dbp/relay/dbp-relay-auth-bundle
+
 The auth bundle connects the core bundle with an OIDC server. For each request
 it validates the passed access token, creates a Symonfy user and assigns Symfony
 roles to that user.