Update CONTRIBUTING.md

Co-authored-by: Christian Clauss <cclauss@me.com>

Author: itsvinayak

CONTRIBUTING.md

@@ -46,16 +46,15 @@ Algorithms in this repo should not be how-to examples for existing JavaScript pa
 
 #### Coding Style
 
-We want your work to be readable by others; therefore, we encourage you to note the following:
-- Must follow [JavaScript Standard Style](https://standardjs.com/)
+To maximize the readability and correctness of our code, we require that new submissions follow [JavaScript Standard Style](https://standardjs.com/)
  - Command to install JavaScript Standard Style
  ```
- $ npm install standard --save-dev
-```
+  $ npm install standard --save-dev
+ ```
  - Usage
  ```
-$ standard
-```
+ $ standard MyFile.js // if that fails, try: npx standard MyFile.js
+ ```
 
 - Use camelCase for identifier names (variables and functions)
 - Names start with a letter