--- a/Overview.htm	Thu Jan 30 15:27:42 2014 +0900
+++ b/Overview.htm	Thu Jan 30 15:29:32 2014 +0900
@@ -706,7 +706,7 @@
 			</p>
 
 			<p>
-				When <a>dataSink</a> notified the <a>WritableStream</a> of that <a>data sink is gone</a> with an object <var>reason</var> which represents the reason, run the steps below:
+				When <a>dataSink</a> notifies of that <a>data sink is gone</a> with an object <var>reason</var> which represents the reason, run the steps below:
 
 				<ol>
 					<li>
@@ -725,7 +725,7 @@
 			</p>
 
 			<p>
-				When <a>dataSink</a> notified the <a>WritableStream</a> of failure of data writing with an object <var>reason</var> which represents the detail of the error, run the steps below:
+				When <a>dataSink</a> notifies of failure of data writing with an object <var>reason</var> which represents the detail of the failure, run the steps below:
 
 				<ol>
 					<li>