Improves readability...

[ci skip]

guides/source/asset_pipeline.md

@@ -494,10 +494,10 @@ file (if any) at the precise location of the `require_self` call. If
 `require_self` is called more than once, only the last call is respected.
 
 NOTE. If you want to use multiple Sass files, you should generally use the [Sass `@import` rule](http://sass-lang.com/docs/yardoc/file.SASS_REFERENCE.html#import)
-instead of these Sprockets directives. Using Sprockets directives all Sass files exist within
+instead of these Sprockets directives. When using Sprockets directives, Sass files exist within
 their own scope, making variables or mixins only available within the document they were defined in.
-You can do file globbing as well using `@import "*"`, and `@import "**/*"` to add the whole tree
-equivalent to how `require_tree` works. Check the [sass-rails documentation](https://github.com/rails/sass-rails#features) for more info and important caveats.
+
+You can do file globbing as well using `@import "*"`, and `@import "**/*"` to add the whole tree which is equivalent to how `require_tree` works. Check the [sass-rails documentation](https://github.com/rails/sass-rails#features) for more info and important caveats.
 
 You can have as many manifest files as you need. For example, the `admin.css`
 and `admin.js` manifest could contain the JS and CSS files that are used for the