diff --git a/playground/java/src/org/broadinstitute/sting/atk/LocusWalker.java b/playground/java/src/org/broadinstitute/sting/atk/LocusWalker.java
index a360ff8b5..2888c98d6 100755
--- a/playground/java/src/org/broadinstitute/sting/atk/LocusWalker.java
+++ b/playground/java/src/org/broadinstitute/sting/atk/LocusWalker.java
@@ -26,5 +26,5 @@ public interface LocusWalker<MapType, ReduceType> {
     ReduceType reduceInit();
     ReduceType reduce(MapType value, ReduceType sum);
 
-    void onTraveralDone();
+    void onTraversalDone();
 }