Update defender-for-apis-validation.md

Author: ajinkyagore-msft

articles/defender-for-cloud/defender-for-apis-validation.md

@@ -69,7 +69,7 @@ This page will walk you through the steps to trigger an alert for one of your AP
 
 1. In the key field enter **User-Agent**.
 
-1. In the value field enter **jvascript:**.
+1. In the value field enter **javascript:**.
 
     :::image type="content" source="media/defender-for-apis-validation/postman-keys.png" alt-text="Screenshot that shows where to enter the keys and their values in Postman.":::