Remove language style improvements

Author: peterhauke

1-js/01-getting-started/2-manuals-specifications/article.md

@@ -7,13 +7,13 @@ This book is a *tutorial*. It aims to help you gradually learn the language. But
 
 [The ECMA-262 specification](https://www.ecma-international.org/publications/standards/Ecma-262.htm) contains the most in-depth, detailed and formalized information about JavaScript. It defines the language.
 
-But being so formalized, it's difficult to understand at first. So if you need the most trustworthy source of information about the language details, the specification is the right place. But it's not for everyday use.
+But being that formalized, it's difficult to understand at first. So if you need the most trustworthy source of information about the language details, the specification is the right place. But it's not for everyday use.
 
 A new specification version is released every year. Between these releases, the latest specification draft is at <https://tc39.es/ecma262/>.
 
 To read about new bleeding-edge features, including those that are "almost standard" (so-called "stage 3"), see proposals at <https://github.com/tc39/proposals>.
 
-Also, if you're developing for the browser, then there are other specifications covered in the [second part](info:browser-environment) of this tutorial.
+Also, if you're developing for the browser, then there are other specifications covered in the [second part](info:browser-environment) of the tutorial.
 
 ## Manuals
 
@@ -27,11 +27,11 @@ Although, it's often best to use an internet search instead. Just use "MDN [term
 
 JavaScript is a developing language, new features get added regularly.
 
-To see how they are supported by browser-based and other engines, see:
+To see their support among browser-based and other engines, see:
 
 - <https://caniuse.com> - per-feature tables of support, e.g. to see which engines support modern cryptography functions: <http://caniuse.com/#feat=cryptography>.
 - <https://kangax.github.io/compat-table> - a table with language features and engines that support those or don't support.
 
-All these resources are useful in real-life development, as they contain valuable information about language details, browser support, etc.
+All these resources are useful in real-life development, as they contain valuable information about language details, their support, etc.
 
-Please remember them (or this page) for when you need in-depth information about a particular feature.
+Please remember them (or this page) for the cases when you need in-depth information about a particular feature.