Merge pull request #313 from wenhandi/patch-1

Update web.md
diff --git a/source/cn/references/components/web.md b/source/cn/references/components/web.md
index 7923062..2a54cd7 100644
--- a/source/cn/references/components/web.md
+++ b/source/cn/references/components/web.md
@@ -59,7 +59,7 @@
 
 ### receivedtitle
 
-`error` 事件,会在 Web 页面的标题发生改变时调用(仅限 Android 平台)。
+`receivedtitle` 事件,会在 Web 页面的标题发生改变时调用(仅限 Android 平台)。
 
 **事件对象**: