diff --git a/Message-Queue-Endpoint.md b/Message-Queue-Endpoint.md
index 794b634..0d34517 100644
--- a/Message-Queue-Endpoint.md
+++ b/Message-Queue-Endpoint.md
@@ -13,8 +13,8 @@ To follow along with the examples, you need:
 * To come up with a unique identifier for your sensors.
 
 Generally the URN is composed of the company or brand name and a device serial number like so:  
-```
-"urn\:dev\:<company-name>\:<device-serial-number>"
+```python
+"urn:dev:<company-name>:<device-serial-number>"
 ```
 To run the python example code you also need to install the `paho-mqtt` and the `protobuf` modules.