Fixed javadoc typo.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1606389 13f79535-47bb-0310-9956-ffa450edef68

src/main/java/org/apache/commons/math3/stat/descriptive/rank/PSquarePercentile.java

@@ -89,7 +89,7 @@ public class PSquarePercentile extends AbstractStorelessUnivariateStatistic
     /**
      * The quantile needed should be in range of 0-1. The constructor
      * {@link #PSquarePercentile(double)} ensures that passed in percentile is
-     * divide by 100
+     * divided by 100.
      */
     private final double quantile;