Editorial updates

Syntax and typo suggestions

Author: jimrfenner

1-js/02-first-steps/01-hello-world/article.md

@@ -1,10 +1,10 @@
 # Hello, world!
 
-The tutorial that you're reading is about the core JavaScript, that is platform-independant. Further on you will be able learn Node.JS and other platforms that use it.
+The tutorial that you're reading is about core JavaScript, which is platform-independent. Further on, you will learn Node.JS and other platforms that use it.
 
-But we need a working environment to run our scripts, and, just because this book is online, the browser a good choice. We'll keep the amount of browser-specific commands (like `alert`) to minimum, so that you don't spend time on them if you plan to concentrate on another environment like Node.JS. From the other hand, browser details are explained in detail in the [next part](/ui) of the tutorial.
+But, we need a working environment to run our scripts, and, just because this book is online, the browser a good choice. We'll keep the amount of browser-specific commands (like `alert`) to a minimum, so that you don't spend time on them if you plan to concentrate on another environment like Node.JS. On the other hand, browser details are explained in detail in the [next part](/ui) of the tutorial.
 
-So first let's see how to attach a script to the webpage. For server-side environments  you can just execute it with a command like `"node my.js"` for Node.JS.
+So first, let's see how to attach a script to the webpage. For server-side environments, you can just execute it with a command like `"node my.js"` for Node.JS.
 
 
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@@ -134,4 +134,4 @@ The example above can be split into two scripts to work:
 - A script in an external file can be inserted with `<script src="path/to/script.js"></script>`.
 
 
-There is much more about browser scripts and their interaction with the web-page. But let's keep in mind that this part of the tutorial is devoted to JavaScript language. So we shouldn't distract ourselves from it. We'll be using a browser as a way to run JavaScript, very convenient for online reading, but yet one of many.
+There is much more about browser scripts and their interaction with the web-page. But let's keep in mind that this part of the tutorial is devoted to JavaScript language, so we shouldn't distract ourselves from it. We'll be using a browser as a way to run JavaScript, which is very convenient for online reading, but yet one of many.