diff --git a/java/src/org/broadinstitute/sting/gatk/walkers/CountLociWalker.java b/java/src/org/broadinstitute/sting/gatk/walkers/CountLociWalker.java
index ba828616b..83a491ebd 100755
--- a/java/src/org/broadinstitute/sting/gatk/walkers/CountLociWalker.java
+++ b/java/src/org/broadinstitute/sting/gatk/walkers/CountLociWalker.java
@@ -5,11 +5,8 @@ import org.broadinstitute.sting.gatk.contexts.ReferenceContext;
 import org.broadinstitute.sting.gatk.refdata.RefMetaDataTracker;
 
 /**
- * Created by IntelliJ IDEA.
- * User: mdepristo
- * Date: Feb 22, 2009
- * Time: 3:22:14 PM
- * To change this template use File | Settings | File Templates.
+ * Basic example of a locus-backed analysis.  Walks over the input data set, calculating the number of
+ * covered loci for diagnostic purposes.
  */
 public class CountLociWalker extends LocusWalker<Integer, Long> implements TreeReducible<Long> {
     public Integer map(RefMetaDataTracker tracker, ReferenceContext ref, AlignmentContext context) {
diff --git a/java/src/org/broadinstitute/sting/gatk/walkers/CountReadsWalker.java b/java/src/org/broadinstitute/sting/gatk/walkers/CountReadsWalker.java
index 3703c098e..9aa35fac8 100755
--- a/java/src/org/broadinstitute/sting/gatk/walkers/CountReadsWalker.java
+++ b/java/src/org/broadinstitute/sting/gatk/walkers/CountReadsWalker.java
@@ -1,8 +1,12 @@
 package org.broadinstitute.sting.gatk.walkers;
 
 import net.sf.samtools.SAMRecord;
-import org.broadinstitute.sting.gatk.contexts.AlignmentContext;
 
+/**
+ * Basic example of a read-backed analysis.  Walks over the input data set, calculating the number of
+ * reads seen for diagnostic purposes.  Can also count the number of reads matching a given criterion using
+ *  read filters (see the --read-filter command line argument).
+ */
 @Requires({DataSource.READS, DataSource.REFERENCE})
 public class CountReadsWalker extends ReadWalker<Integer, Integer> {
     public Integer map(char[] ref, SAMRecord read) {