Update CONTRIBUTING.md

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

Author: itsvinayak

CONTRIBUTING.md

@@ -56,7 +56,7 @@ To maximize the readability and correctness of our code, we require that new sub
  $ standard MyFile.js // if that fails, try: npx standard MyFile.js
  ```
 
-- Use camelCase for identifier names (variables and functions)
+- Use camelCase for with leading character lowercase for identifier names (variables and functions)
 - Names start with a letter
 - follow code indentation
  - Always use 2 spaces for indentation of code blocks