Update README.

README.md

@@ -184,8 +184,19 @@ See the basic `post` file params supported by the theme — https://github.com/p
 
 ## How to run your site
 
+The theme is using [Hugo Pipes](https://gohugo.io/hugo-pipes/) to handle Javascript and PostCSS files. This setup **requires** following npm packages: `@babel/core`, `@babel/cli` and `postcss-cli`. Before you start, you have to install them (globally or locally):
+
 From your Hugo root directory run:
 
+```
+yarn add -D @babel/core @babel/cli @postcss-cli
+cd themes/terminal
+yarn
+cd ../..
+```
+
+Then:
+
 ```
 $ hugo server -t terminal
 ```
@@ -195,20 +206,7 @@ and go to `localhost:1313` in your browser. From now on all the changes you make
 ## How to edit the theme
 
 If you have to override some of the styles, **you can do this easily** by adding `static/style.css` in your root directory and point things you want to change.
-
-Otherwise, if you really want to edit the theme, you need to install Node dependencies. To do so, go to the theme directory (from your Hugo root directory):
-
-```
-$ cd themes/terminal
-```
-
-and then run:
-
-```
-$ npm install
-$ npm i yarn
-$ yarn
-```
+But you can also copy `assets` folder from the theme to your root directory and modify the files. This will protect your changes from the override when you update the theme.
 
 ## How to contribute