Javadoc.
diff --git a/src/main/java/org/apache/commons/math4/stat/correlation/Covariance.java b/src/main/java/org/apache/commons/math4/stat/correlation/Covariance.java
index e2699ac..66ceae2 100644
--- a/src/main/java/org/apache/commons/math4/stat/correlation/Covariance.java
+++ b/src/main/java/org/apache/commons/math4/stat/correlation/Covariance.java
@@ -44,11 +44,8 @@
  * @since 2.0
  */
 public class Covariance {
-
     /** covariance matrix */
     private final RealMatrix covarianceMatrix;
-
-    /* Create an empty covariance matrix. */
     /** Number of observations (length of covariate vectors) */
     private final int n;