diff --git a/docs/en/15-programming/01-connect/09-rest-api.md b/docs/en/15-programming/01-connect/09-rest-api.md
index 9ae0946ac28913aa79bd395a4b76f78d1e72246d..36b847164be3f724fb58d6b378ad8afac15ceb06 100644
--- a/docs/en/15-programming/01-connect/09-rest-api.md
+++ b/docs/en/15-programming/01-connect/09-rest-api.md
@@ -40,9 +40,9 @@ $env:TDENGINE_CLOUD_URL="<url>"
 </TabItem>
 </Tabs>
 
-## Connect
+## Usage
 
-Please copy the code below to your editor and run it.
+The TDengine REST API is based on standard HTTP protocol and provides an easy way to access TDengine. As an example, the code below is to construct an HTTP request with the URL, the token and an SQL command and run it with the command line utility `curl`.
 
 ```bash
 curl -L \