diff --git a/Message-Queue-Endpoint.md b/Message-Queue-Endpoint.md
index cf524b4..749d36f 100644
--- a/Message-Queue-Endpoint.md
+++ b/Message-Queue-Endpoint.md
@@ -14,7 +14,7 @@ To follow along with the examples, you need:
 
 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>'
+"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.