diff --git a/Calculator.java b/Calculator.java
index bc5c9f6..eef6f46 100644
--- a/Calculator.java
+++ b/Calculator.java
@@ -84,7 +84,7 @@ public double hypot(double x, double y) {
 	 *            the length of the other side.
 	 * @return the area of a rectangle with sides x and y.
 	 */
-	public double rectAr(double x, double y) {
+	public double rectangleArea(double x, double y) {
 		return 2 * x + 2 * y;
 	}