diff --git a/Calculator.java b/Calculator.java
index bc5c9f6..5d5d108 100644
--- a/Calculator.java
+++ b/Calculator.java
@@ -108,7 +108,7 @@ public double rectPer(double x, double y) {
 	 *            the radius
 	 * @return the area of a circle with radius r.
 	 */
-	public double cirAr(double r) {
+	public double circleArea(double r) {
 		return Math.PI * r;
 	}