diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index a89c76adf..8efea899d 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -44,6 +44,11 @@ Algorithms should:
 
 Algorithms in this repo should not be how-to examples for existing JavaScript packages.  Instead, they should perform internal calculations or manipulations to convert input values into different output values.  Those calculations or manipulations can use data types, classes, or functions of existing JavaScript packages but each algorithm in this repo should add unique value.
 
+#### File Naming Convention
+  - filenames should use the UpperCamelCase (PascalCase) style.
+  - There should be no spaces in filenames.  
+ **Example:**`UserProfile.js` is allowed but `userprofile.js`,`Userprofile.js`,`user-Profile.js`,`userProfile.js` are not
+
 #### Coding Style
 
 To maximize the readability and correctness of our code, we require that new submissions follow [JavaScript Standard Style](https://standardjs.com/)