Update update-the-sdk.md

Author: ivder

update-the-sdk.md

@@ -31,10 +31,10 @@ Select the package of HISPlayer SDK and import it.
 Switch the platform for **MacOS**. Open **File > Build Settings** and then select **Windows, Mac, Linux platform** and **switch platform**.
 
 ## Update License Key
-Input the license key that is associated with the SDK through HISPlayer properties. If the license key is not valid, the player won't work and will throw an error message.
-
-License key is not required for Unity Editor.
+If you received a license key from HISPlayer, please input the license key in the License Key field.
 
 <p align="center">
-<img width="478" alt="image" src="https://github.com/HISPlayer/UnityWebGL-SDK/assets/47497948/50b10c75-c6e0-438d-ba1f-da6e66d51eed">
+<img width=70% alt="image" src="https://github.com/HISPlayer/UnityWebGL-SDK/assets/47497948/50b10c75-c6e0-438d-ba1f-da6e66d51eed">
 </p>
+
+If the license key is not valid, the player won’t work and will throw an error message. License key is not required for Unity Editor usage.