diff --git a/1-js/09-classes/01-class/article.md b/1-js/09-classes/01-class/article.md
index 018545b1..f5918fd7 100644
--- a/1-js/09-classes/01-class/article.md
+++ b/1-js/09-classes/01-class/article.md
@@ -1,5 +1,5 @@
 
-# Classes
+# Class
 
 ```quote author="Wikipedia"
 In object-oriented programming, a *class* is an extensible program-code-template for creating objects, providing initial values for state (member variables) and implementations of behavior (member functions or methods).