diff --git a/public/java/src/org/broadinstitute/variant/variantcontext/VariantContextUtils.java b/public/java/src/org/broadinstitute/variant/variantcontext/VariantContextUtils.java
index b07040748..0a848fba1 100644
--- a/public/java/src/org/broadinstitute/variant/variantcontext/VariantContextUtils.java
+++ b/public/java/src/org/broadinstitute/variant/variantcontext/VariantContextUtils.java
@@ -878,6 +878,7 @@ public class VariantContextUtils {
     }
 
     private static void mergeGenotypes(GenotypesContext mergedGenotypes, VariantContext oneVC, AlleleMapper alleleMapping, boolean uniqifySamples) {
+        //TODO: should we add a check for cases when the genotypeMergeOption is REQUIRE_UNIQUE
         for ( Genotype g : oneVC.getGenotypes() ) {
             String name = mergedSampleName(oneVC.getSource(), g.getSampleName(), uniqifySamples);
             if ( ! mergedGenotypes.containsSample(name) ) {