Javadoc.
diff --git a/commons-math-legacy/src/main/java/org/apache/commons/math4/legacy/random/HaltonSequenceGenerator.java b/commons-math-legacy/src/main/java/org/apache/commons/math4/legacy/random/HaltonSequenceGenerator.java
index 3805be4..a45e16e 100644
--- a/commons-math-legacy/src/main/java/org/apache/commons/math4/legacy/random/HaltonSequenceGenerator.java
+++ b/commons-math-legacy/src/main/java/org/apache/commons/math4/legacy/random/HaltonSequenceGenerator.java
@@ -163,7 +163,7 @@
      *
      * @param index the index in the sequence to skip to
      * @return the i-th point in the Halton sequence
-     * @throws org.apache.commons.math4.legacy.exception.NotPositiveException NotPositiveException if index < 0
+     * @throws NotPositiveException if {@code index < 0}.
      */
     public double[] skipTo(final int index) {
         if (index < 0) {