diff --git a/src/main/java/org/apache/commons/math/distribution/AbstractDistribution.java b/src/main/java/org/apache/commons/math/distribution/AbstractDistribution.java
index a876a110e..54b61d018 100644
--- a/src/main/java/org/apache/commons/math/distribution/AbstractDistribution.java
+++ b/src/main/java/org/apache/commons/math/distribution/AbstractDistribution.java
@@ -35,13 +35,13 @@ public abstract class AbstractDistribution
 
     /** Cached numerical mean */
     private double numericalMean = Double.NaN;
-    
+
     /** Whether or not the numerical mean has been calculated */
     private boolean numericalMeanIsCalculated = false;
 
     /** Cached numerical variance */
     private double numericalVariance = Double.NaN;
-    
+ 
     /** Whether or not the numerical variance has been calculated */
     private boolean numericalVarianceIsCalculated = false;