diff --git a/1-js/09-classes/05-private-protected-properties-methods/article.md b/1-js/09-classes/05-private-protected-properties-methods/article.md
index 82466331..68963513 100644
--- a/1-js/09-classes/05-private-protected-properties-methods/article.md
+++ b/1-js/09-classes/05-private-protected-properties-methods/article.md
@@ -199,7 +199,7 @@ class CoffeeMachine {
 */!*
 
 *!*
-  #checkWater(water) {
+  #checkWater(value) {
     if (value < 0) throw new Error("Negative water");
     if (value > this.#waterLimit) throw new Error("Too much water");
   }