diff --git a/backstage/examples/address-validation-service/catalog.json b/backstage/examples/address-validation-service/catalog.json
index cff2c82..75220c7 100644
--- a/backstage/examples/address-validation-service/catalog.json
+++ b/backstage/examples/address-validation-service/catalog.json
@@ -6,7 +6,7 @@
       "name": "address-validation-service",
       "links": [{
         "url": "http://address-validation.ok-cluster.azure.cloud.openknowledge.services/webjars/swagger-ui/index.html",
-        "title": "Customer Service"
+        "title": "Address Validation Service"
       }],
       "annotations": {
         "backstage.io/managed-by-origin-location": "url:http://localhost:9080/service-repository/api/backstage/catalog-info.yaml",
diff --git a/backstage/examples/billing-service/catalog.json b/backstage/examples/billing-service/catalog.json
index 73b9bf1..37b3c03 100644
--- a/backstage/examples/billing-service/catalog.json
+++ b/backstage/examples/billing-service/catalog.json
@@ -6,7 +6,7 @@
       "name": "billing-service",
       "links": [{
         "url": "http://billing.ok-cluster.azure.cloud.openknowledge.services/webjars/swagger-ui/index.html",
-        "title": "Customer Service"
+        "title": "Billing Service"
       }],
       "annotations": {
         "backstage.io/managed-by-origin-location": "url:http://localhost:9080/service-repository/api/backstage/catalog-info.yaml",
diff --git a/backstage/examples/delivery-service/catalog.json b/backstage/examples/delivery-service/catalog.json
index a6d9d18..bb3be36 100644
--- a/backstage/examples/delivery-service/catalog.json
+++ b/backstage/examples/delivery-service/catalog.json
@@ -6,7 +6,7 @@
       "name": "delivery-service",
       "links": [{
         "url": "http://delivery.ok-cluster.azure.cloud.openknowledge.services/webjars/swagger-ui/index.html",
-        "title": "Customer Service"
+        "title": "Delivery Service"
       }],
       "annotations": {
         "backstage.io/managed-by-origin-location": "url:http://localhost:9080/service-repository/api/backstage/catalog-info.yaml",
diff --git a/billing-service/src/main/java/de/openknowledge/sample/swaggerui/SwaggerUiResource.java b/billing-service/src/main/java/de/openknowledge/sample/swaggerui/SwaggerUiResource.java
index ff4d22e..f4270dd 100644
--- a/billing-service/src/main/java/de/openknowledge/sample/swaggerui/SwaggerUiResource.java
+++ b/billing-service/src/main/java/de/openknowledge/sample/swaggerui/SwaggerUiResource.java
@@ -19,11 +19,7 @@
 import static javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR;
 import static javax.ws.rs.core.Response.Status.NOT_FOUND;
 
-import java.io.BufferedReader;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.InputStreamReader;
-import java.io.StringWriter;
+import java.io.*;
 import java.util.logging.Logger;
 
 import javax.enterprise.context.ApplicationScoped;
@@ -45,11 +41,12 @@ public class SwaggerUiResource {
     public Response getWebJarsResource(@PathParam("path") String path) {
         try (InputStream inputStream = getClass().getClassLoader().getResourceAsStream(String.format("META-INF/resources/%s", path));
                 BufferedReader buffer = new BufferedReader(new InputStreamReader(inputStream));
-                StringWriter content = new StringWriter()) {
-            buffer.lines().forEach(content::write);
+                StringWriter writer = new StringWriter();
+                PrintWriter content = new PrintWriter(writer)) {
+            buffer.lines().forEach(content::println);
 
             String mediaType = path.endsWith(".js") ? "application/javascript" : "text/" + path.substring(path.lastIndexOf('.') + 1);
-            return Response.ok(content.toString()).type(mediaType).build();
+            return Response.ok(writer.toString()).type(mediaType).build();
         } catch (NullPointerException e) {
         	LOG.log(WARNING, "Could not find resource [{0}]", path);
         	return Response.status(NOT_FOUND).build();
diff --git a/billing-service/src/main/resources/META-INF/resources/webjars/swagger-ui/v1.yaml b/billing-service/src/main/resources/META-INF/resources/webjars/swagger-ui/v1.yaml
index ced7da8..cfa8993 100644
--- a/billing-service/src/main/resources/META-INF/resources/webjars/swagger-ui/v1.yaml
+++ b/billing-service/src/main/resources/META-INF/resources/webjars/swagger-ui/v1.yaml
@@ -1,7 +1,7 @@
 openapi: "3.0.1"
 info:
   title: Billing Service V1
-  version: 1.1.0
+  version: "1.1.1"
 components:
   schemas:
     Address:
@@ -64,6 +64,10 @@ paths:
               schema:
                 type: "object"
                 $ref: "#/components/schemas/Address"
+            application/vnd.de.openknowledge.sample.address.v1+json:
+              schema:
+                type: "object"
+                $ref: "#/components/schemas/Address"
           description: "default response"
         default:
           content:
@@ -71,6 +75,10 @@ paths:
               schema:
                 type: "object"
                 $ref: "#/components/schemas/Address"
+            application/vnd.de.openknowledge.sample.address.v1+json:
+              schema:
+                type: "object"
+                $ref: "#/components/schemas/Address"
           description: "default response"
     post:
       parameters:
@@ -92,6 +100,11 @@ paths:
                 properties: {}
                 type: "object"
                 nullable: true
+            application/vnd.de.openknowledge.sample.address.v1+json:
+              schema:
+                properties: {}
+                type: "object"
+                nullable: true
           description: "default response"
         default:
           content:
@@ -100,6 +113,11 @@ paths:
                 properties: {}
                 type: "object"
                 nullable: true
+            application/vnd.de.openknowledge.sample.address.v1+json:
+              schema:
+                properties: { }
+                type: "object"
+                nullable: true
           description: "default response"
       requestBody:
         content:
@@ -108,3 +126,7 @@ paths:
               type: "object"
               $ref: "#/components/schemas/Address"
             required: true
+          application/vnd.de.openknowledge.sample.address.v1+json:
+            schema:
+              type: "object"
+              $ref: "#/components/schemas/Address"