diff --git a/1-js/09-classes/01-class/article.md b/1-js/09-classes/01-class/article.md
index 135d24929b..0108d75666 100644
--- a/1-js/09-classes/01-class/article.md
+++ b/1-js/09-classes/01-class/article.md
@@ -27,6 +27,8 @@ class MyClass {
 
 Then use `new MyClass()` to create a new object with all the listed methods.
 
+Class names should be nouns in UpperCamelCase, and Methods should be verbs in lowerCamelCase by convention.
+
 The `constructor()` method is called automatically by `new`, so we can initialize the object there.
 
 For example: