diff --git a/doc/source/user/etsi_vnf_deployment_as_vm_with_tosca.rst b/doc/source/user/etsi_vnf_deployment_as_vm_with_tosca.rst
index 4769a3eaa..2420aabeb 100644
--- a/doc/source/user/etsi_vnf_deployment_as_vm_with_tosca.rst
+++ b/doc/source/user/etsi_vnf_deployment_as_vm_with_tosca.rst
@@ -387,7 +387,7 @@ Optional parameters:
 
 An example of a param file with only required parameters:
 
-.. code-block:: console
+.. code-block:: json
 
   {
     "flavourId": "simple"
@@ -396,7 +396,7 @@ An example of a param file with only required parameters:
 
 An example of a param file with optional parameters:
 
-.. code-block:: console
+.. code-block:: json
 
   {
     "flavourId": "simple",
diff --git a/doc/source/user/etsi_vnf_deployment_as_vm_with_user_data.rst b/doc/source/user/etsi_vnf_deployment_as_vm_with_user_data.rst
index 352b83a89..7e3ffcc22 100644
--- a/doc/source/user/etsi_vnf_deployment_as_vm_with_user_data.rst
+++ b/doc/source/user/etsi_vnf_deployment_as_vm_with_user_data.rst
@@ -162,7 +162,7 @@ Optional parameters:
 
 An example of a param file with only required parameters:
 
-.. code-block:: console
+.. code-block:: json
 
   {
     "flavourId":"simple",