docs: update example.md to clarify preview instructions

alaahong · alaahong · commit fcf699d813e1 · 2025-11-23T13:47:43.000+08:00
diff --git a/website/docs/quickstart/example.md b/website/docs/quickstart/example.md
@@ -7,6 +7,8 @@ title: 'Simple example'
 
 ### Read the spreadsheet
 
+Just change for preview
+
 Below is an example of reading a spreadsheet document:
 
 ```java
