diff --git a/public/java/src/org/broadinstitute/sting/utils/recalibration/RecalDatum.java b/public/java/src/org/broadinstitute/sting/utils/recalibration/RecalDatum.java
index e3348d3de..207988749 100755
--- a/public/java/src/org/broadinstitute/sting/utils/recalibration/RecalDatum.java
+++ b/public/java/src/org/broadinstitute/sting/utils/recalibration/RecalDatum.java
@@ -199,7 +199,7 @@ public class RecalDatum {
 
     @Override
     public String toString() {
-        return String.format("%.2f,%,2f,%.2f", getNumObservations(), getNumMismatches(), getEmpiricalQuality());
+        return String.format("%.2f,%.2f,%.2f", getNumObservations(), getNumMismatches(), getEmpiricalQuality());
     }
 
     public String stringForCSV() {