Update article.md

Author: gratiaa

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

@@ -2,7 +2,7 @@
 
 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 is 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.
+But, we need a working environment to run our scripts, and, just because this book is online, the browser is 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 a webpage. For server-side environments, you can just execute it with a command like `"node my.js"` for Node.JS.
 
@@ -47,7 +47,7 @@ The `<script>` tag has a few attributes that are rarely used nowadays, but we ca
 
  The `type` attribute: <code>&lt;script <u>type</u>=...&gt;</code>
 
- : The old standard HTML4 required a script to have a type. Usually it was `type="text/javascript"`. It's not required any more. Also, the modern standard totally changed the meaning of this attribute. Now it can be used for Javascript modules. But that's an advanced topic; we'll talk about modules later in another part of the tutorial. 
+ : The old standard HTML4 required a script to have a type. Usually it was `type="text/javascript"`. It's not required anymore. Also, the modern standard totally changed the meaning of this attribute. Now it can be used for Javascript modules. But that's an advanced topic; we'll talk about modules later in another part of the tutorial. 
 
  The `language` attribute: <code>&lt;script <u>language</u>=...&gt;</code>
   : This attribute was meant to show the language of the script. This attribute no longer makes sense, because JavaScript is the default language. No need to use it.