Update Blog “getting-started-with-the-hpe-greenlake-cloud-eventing-framework”

Author: Didier-Lalli

content/blog/getting-started-with-the-hpe-greenlake-cloud-eventing-framework.md

@@ -158,7 +158,7 @@ Configure the Set variable module with:
 * Variable name: **hmac** 
 * Variable value: **sha256( challengeRequest ; ; \<SecretKey\> )**
 
-> Note: you can drag the **challengeRequest** property from the **Webhooks** module, and drop it as your first parameter. **<SecretKey>** is a placeholder which you will replace later, once we know the the real shared secret key.
+> Note: you can drag the **challengeRequest** property from the **Webhooks** module, and drop it as your first parameter. \**<SecretKey\>** is a placeholder which you will replace later, once we know the the real shared secret key.
 
 ![drag and drop properties](/img/drag-drop-properties.jpg "drag and drop properties")