Update webpack.md

Minor edits for style and consistency

docs/4.0/getting-started/webpack.md

@@ -40,7 +40,7 @@ Notice that if you chose to **import plugins individually**, you must also insta
 
 To enjoy the full potential of Bootstrap and customize it to your needs, use the source files as a part of your project's bundling process.
 
-First, create your own `_custom.scss` and use it to override the [built-in custom variables]({{ site.baseurl }}/docs/{{ site.docs_version }}/getting-started/options/). Then, use your main sass file to import your custom variables, followed by Bootstrap:
+First, create your own `_custom.scss` and use it to override the [built-in custom variables]({{ site.baseurl }}/docs/{{ site.docs_version }}/getting-started/options/). Then, use your main Sass file to import your custom variables, followed by Bootstrap:
 
 {% highlight scss %}
 @import "custom";
@@ -76,13 +76,13 @@ For Bootstrap to compile, make sure you install and use the required loaders: [s
 
 ### Importing Compiled CSS
 
-Alternatively, you may use Bootstrap's ready-to-use css by simply adding this line to your project's entry point:
+Alternatively, you may use Bootstrap's ready-to-use CSS by simply adding this line to your project's entry point:
 
 {% highlight js %}
 import 'bootstrap/dist/css/bootstrap.min.css';
 {% endhighlight %}
 
-In this case you may use your existing rule for `css` without any special modifications to webpack config except you don't need `sass-loader` just [style-loader](https://github.com/webpack-contrib/style-loader) and [css-loader](https://github.com/webpack-contrib/css-loader).
+In this case you may use your existing rule for `css` without any special modifications to webpack config, except you don't need `sass-loader` just [style-loader](https://github.com/webpack-contrib/style-loader) and [css-loader](https://github.com/webpack-contrib/css-loader).
 
 {% highlight js %}
   ...