* More plural fixup. ("We" is ok in the code walkthrough with the reader.)

audreyt · audreyt · commit b0e57a3ad130 · 2014-07-07T21:17:47.000+08:00
diff --git a/spreadsheet/chapter.md b/spreadsheet/chapter.md
@@ -16,7 +16,7 @@ How many features can a Web application offer in 99 lines? Let&rsquo;s see it in act
 
 ## Overview
 
-The [spreadsheet](https://github.com/audreyt/500lines/tree/master/spreadsheet) directory contains our showcase for late-2014 editions of the three web languages: [HTML5](http://www.w3.org/TR/html5/) for structure, [CSS3](http://www.w3.org/TR/css3-ui/) for presentation, and the JS [ES6 &ldquo;Harmony&rdquo;](http://wiki.ecmascript.org/doku.php?id=harmony:specification_drafts) standard for interaction. We also use [Web Storage](http://www.whatwg.org/specs/web-apps/current-work/multipage/webstorage.html) for data persistence, and [Web Worker](http://www.whatwg.org/specs/web-apps/current-work/multipage/workers.html) for running JS code in the background. As of this writing, these web standards are supported by Firefox, Chrome, Internet Explorer 11+, as well as mobile browsers on iOS 5+ and Android 4+.
+The [spreadsheet](https://github.com/audreyt/500lines/tree/master/spreadsheet) directory contains our showcase for late-2014 editions of the three web languages: [HTML5](http://www.w3.org/TR/html5/) for structure, [CSS3](http://www.w3.org/TR/css3-ui/) for presentation, and the JS [ES6 &ldquo;Harmony&rdquo;](http://wiki.ecmascript.org/doku.php?id=harmony:specification_drafts) standard for interaction. It also uses [Web Storage](http://www.whatwg.org/specs/web-apps/current-work/multipage/webstorage.html) for data persistence, and [Web Worker](http://www.whatwg.org/specs/web-apps/current-work/multipage/workers.html) for running JS code in the background. As of this writing, these web standards are supported by Firefox, Chrome, Internet Explorer 11+, as well as mobile browsers on iOS 5+ and Android 4+.
 
 Now let&rsquo;s open http://audreyt.github.io/500lines/spreadsheet/ in a browser:
 

-Original file line number
+Diff line change
 ## Overview
 -The [spreadsheet](https://github.com/audreyt/500lines/tree/master/spreadsheet) directory contains our showcase for late-2014 editions of the three web languages: [HTML5](http://www.w3.org/TR/html5/) for structure, [CSS3](http://www.w3.org/TR/css3-ui/) for presentation, and the JS [ES6 “Harmony”](http://wiki.ecmascript.org/doku.php?id=harmony:specification_drafts) standard for interaction. We also use [Web Storage](http://www.whatwg.org/specs/web-apps/current-work/multipage/webstorage.html) for data persistence, and [Web Worker](http://www.whatwg.org/specs/web-apps/current-work/multipage/workers.html) for running JS code in the background. As of this writing, these web standards are supported by Firefox, Chrome, Internet Explorer 11+, as well as mobile browsers on iOS 5+ and Android 4+.
 +The [spreadsheet](https://github.com/audreyt/500lines/tree/master/spreadsheet) directory contains our showcase for late-2014 editions of the three web languages: [HTML5](http://www.w3.org/TR/html5/) for structure, [CSS3](http://www.w3.org/TR/css3-ui/) for presentation, and the JS [ES6 “Harmony”](http://wiki.ecmascript.org/doku.php?id=harmony:specification_drafts) standard for interaction. It also uses [Web Storage](http://www.whatwg.org/specs/web-apps/current-work/multipage/webstorage.html) for data persistence, and [Web Worker](http://www.whatwg.org/specs/web-apps/current-work/multipage/workers.html) for running JS code in the background. As of this writing, these web standards are supported by Firefox, Chrome, Internet Explorer 11+, as well as mobile browsers on iOS 5+ and Android 4+.
 Now let’s open http://audreyt.github.io/500lines/spreadsheet/ in a browser: