docs: update readme (#29)
diff --git a/CHANGES.md b/CHANGES.md
index baf33fc..96c818e 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,5 +1,9 @@
# Changes
+## 0.3.0
+
+1. Support tracing starting at the browser.
+
## 0.2.0
1. Fix: `secureConnectionStart` is zero bug.
diff --git a/README.md b/README.md
index f79451b..034c394 100644
--- a/README.md
+++ b/README.md
@@ -42,7 +42,7 @@
|Parameter|Type|Description|Required|Default Value|
|----|----|----|----|----|
|collector|String|In default, the collected data would be reported to current domain(`/browser/perfData`. Then, typically, we recommend you use a Gateway/proxy to redirect the data to the OAP(`resthost:restport`). If you set this, the data could be reported to another domain, NOTE [the Cross-Origin Resource Sharing (CORS) issuse and solution](https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS). |false|-|
-|service|String|project id|true|-|
+|service|String|project id. NOTE, in tracing data requests, the service parameter is `service + '<browser>'`.|true|-|
|serviceVersion|String|project verison|true|-|
|pagePath|String|project path|true|-|
|jsErrors|Boolean|Support js errors monitoring|false|true|
@@ -96,7 +96,7 @@
});
```
-## Tracing range of data requests in the broswer
+## Tracing range of data requests in the browser
Support tracking these([XMLHttpRequest](https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest) and [fetch](https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API)) two modes of data requests. At the same time, Support tracking libraries and tools that base on XMLHttpRequest and fetch, such as [Axios](https://github.com/axios/axios), [SuperAgent](https://github.com/visionmedia/superagent), [OpenApi](https://www.openapis.org/) and so on.
