diff --git a/vault/pom.xml b/vault/pom.xml
index 6b56be2d6..08a1ea030 100644
--- a/vault/pom.xml
+++ b/vault/pom.xml
@@ -100,6 +100,10 @@
 			<groupId>org.apache.camel.springboot</groupId>
 			<artifactId>camel-jsonpath-starter</artifactId>
 		</dependency>
+		<dependency>
+			<groupId>org.apache.camel.springboot</groupId>
+			<artifactId>camel-jackson-starter</artifactId>
+		</dependency>
 
 		<!-- db driver -->
 		<dependency>
diff --git a/vault/readme.adoc b/vault/readme.adoc
index 265e9b085..f0cd2ea95 100644
--- a/vault/readme.adoc
+++ b/vault/readme.adoc
@@ -7,15 +7,17 @@ Run HashiCorp Vault
 
     docker run --cap-add=IPC_LOCK -e 'VAULT_DEV_ROOT_TOKEN_ID=myroot' -e 'VAULT_DEV_LISTEN_ADDRESS=0.0.0.0:8200' -p 8200:8200 hashicorp/vault:1.16.1`
 
-Go to `http://localhost:8200/ui/vault/secrets/secret/kv/list` login with method Token and token `myroot` and create the following secrets:
+Go to `http://localhost:8200/ui/vault/secrets/secret/kv/list` login with method Token and token `myroot` and create the following secret:
 
-* a secret named `myDatabase`
+* a secret named `database`
 * a secret data `myPassword` with value `mysecretpassword`
 * a secret data `myUsername` with value `postgres`
 * a secret data `myJdbcURL` with value `jdbc:postgresql://localhost:5432/postgres`
 
 image::img/secret-database.png[]
 
+NOTE: the screenshot above shows the secret named `myDatabase` from an earlier version of this example; name the secret `database` as described above so it matches the path used in `cars-datasource.yaml`.
+
 Run the database container
 
     docker run -p 5432:5432 --name some-postgres -e POSTGRES_PASSWORD=mysecretpassword postgres
diff --git a/vault/src/main/resources/camel/cars-api.yaml b/vault/src/main/resources/camel/cars-api.yaml
index 2a3c64d3d..98e2a9f71 100644
--- a/vault/src/main/resources/camel/cars-api.yaml
+++ b/vault/src/main/resources/camel/cars-api.yaml
@@ -20,7 +20,7 @@
     get:
       - path: cars
         to: direct:get
-        produces: text/plain
+        produces: application/json
     post:
       - path: cars
         to: direct:create
diff --git a/vault/src/main/resources/camel/cars-datasource.yaml b/vault/src/main/resources/camel/cars-datasource.yaml
index 746c96935..1cd144e5f 100644
--- a/vault/src/main/resources/camel/cars-datasource.yaml
+++ b/vault/src/main/resources/camel/cars-datasource.yaml
@@ -20,6 +20,6 @@
       type: org.springframework.jdbc.datasource.DriverManagerDataSource
       properties:
         driverClassName: 'org.postgresql.Driver'
-        url: '{{hashicorp:secret:database/myJdbcURL}}'
-        username: '{{hashicorp:secret:database/myUsername}}'
-        password: '{{hashicorp:secret:database/myPassword}}'
+        url: '{{hashicorp:secret:database#myJdbcURL}}'
+        username: '{{hashicorp:secret:database#myUsername}}'
+        password: '{{hashicorp:secret:database#myPassword}}'
diff --git a/vault/src/main/resources/camel/cars-routes.yaml b/vault/src/main/resources/camel/cars-routes.yaml
index 8d7e207d1..ccebf17a2 100644
--- a/vault/src/main/resources/camel/cars-routes.yaml
+++ b/vault/src/main/resources/camel/cars-routes.yaml
@@ -69,3 +69,6 @@
             uri: jdbc
             parameters:
               dataSourceName: datasource
+        - marshal:
+            json:
+              library: Jackson