update

product/4dkk-local/en-us/licensing.md

@@ -36,10 +36,10 @@ After licensing, you will also need an **Authorization Code** to bind your devic
 | 6  |  Licensing finished. | ![](src/local/license-4.png)|
 
 
-#### 1.2.2 Offline License Extension
+#### 1.2.2 Offline License Renewal
 ![](src/local/az-15.png)
 
-To extend the license via the offline method, you need to select the existing license code to "Generate upgrade request file", "Get upgrade file", and "Use upgrade file" to complete the upgrade.   
+To extend the license via the offline method, you need to select the existing license code to "Generate request file", "Get renewal file", and "Use renewal file" to complete the license renewal.   
 
 ### 1.3 License Transfer