diff --git a/services/graph/README.md b/services/graph/README.md
index 6e152244a7..3eb0cfb84b 100644
--- a/services/graph/README.md
+++ b/services/graph/README.md
@@ -9,7 +9,7 @@ for a detailed specification of the API implemented by the graph service.
The following image gives an overview of the scenario when a client requests to list available spaces the user has access to. To do so, the client is directed with his request automatically via the proxy service to the graph service.
-
+
## Users and Groups API
@@ -47,7 +47,7 @@ respect to the available schema:
object class for groups.
* The graph service maintains a few additional attributes for users and groups that are not
available in the standard LDAP schema. An schema file, ready to use with OpenLDAP, defining those
- additional attributes is available [here](https://github.com/opencloud-eu/opencloud/blob/master/deployments/examples/opencloud_ldap/config/ldap/schemas/10_owncloud_schema.ldif).
+ additional attributes is available [here](https://github.com/opencloud-eu/opencloud/blob/main/deployments/examples/opencloud_ldap/config/ldap/schemas/10_owncloud_schema.ldif).
## Query Filters Provided by the Graph API
diff --git a/services/graph/images/mermaid-graph.svg b/services/graph/images/mermaid-graph.svg
index 6ff62a89f7..2ce737e279 100644
--- a/services/graph/images/mermaid-graph.svg
+++ b/services/graph/images/mermaid-graph.svg
@@ -1 +1 @@
-
+