diff --git a/java/src/org/broadinstitute/sting/gatk/walkers/CountRodByRefWalker.java b/java/src/org/broadinstitute/sting/gatk/walkers/CountRodByRefWalker.java
index 9106d527a..0a3ca4ac2 100644
--- a/java/src/org/broadinstitute/sting/gatk/walkers/CountRodByRefWalker.java
+++ b/java/src/org/broadinstitute/sting/gatk/walkers/CountRodByRefWalker.java
@@ -11,7 +11,8 @@ import java.util.ArrayList;
 import java.util.List;
 
 /**
- * Same as CountRod but this one is a reference walker
+ * A very simple walker that prints out counts of the number of reference ordered data objects are
+ * each locus.  For debugging RefWalkers.
  */
 public class CountRodByRefWalker extends RefWalker<CountRodWalker.Datum, Pair<ExpandingArrayList<Long>, Long>> {
     @Argument(fullName = "verbose", shortName = "v", doc="If true, Countrod will print out detailed information about the rods it finds and locations", required = false)
diff --git a/java/src/org/broadinstitute/sting/gatk/walkers/CountRodWalker.java b/java/src/org/broadinstitute/sting/gatk/walkers/CountRodWalker.java
index 829bfbdb9..c4b2c1342 100644
--- a/java/src/org/broadinstitute/sting/gatk/walkers/CountRodWalker.java
+++ b/java/src/org/broadinstitute/sting/gatk/walkers/CountRodWalker.java
@@ -13,6 +13,10 @@ import java.util.List;
 import java.util.Collection;
 import java.util.LinkedList;
 
+/**
+ * A very simple walker that prints out counts of the number of reference ordered data objects are
+ * each locus.  For debugging RodWalkers.
+ */
 public class CountRodWalker extends RodWalker<CountRodWalker.Datum, Pair<ExpandingArrayList<Long>, Long>> {
     @Argument(fullName = "verbose", shortName = "v", doc="If true, Countrod will print out detailed information about the rods it finds and locations", required = false)
     public boolean verbose = false;