diff --git a/java/src/org/broadinstitute/sting/playground/gatk/walkers/variants/VariantFiltrationWalker.java b/java/src/org/broadinstitute/sting/playground/gatk/walkers/variants/VariantFiltrationWalker.java
index 8835d91bc..d484b231d 100755
--- a/java/src/org/broadinstitute/sting/playground/gatk/walkers/variants/VariantFiltrationWalker.java
+++ b/java/src/org/broadinstitute/sting/playground/gatk/walkers/variants/VariantFiltrationWalker.java
@@ -177,7 +177,7 @@ public class VariantFiltrationWalker extends LocusWalker<Integer, Integer> {
                 }
 
                 if (notYetSeenExclusion == exclusionClasses.size()) {
-                    throw new StingException(String.format("Unknown exclusion '%s'. Valid features are '%s'", requestedExclusionName, getAvailableClasses(exclusionClasses)));
+                    throw new StingException(String.format("Unknown exclusion '%s'. Valid exclusions are '%s'", requestedExclusionName, getAvailableClasses(exclusionClasses)));
                 }
             }