diff --git a/java/src/org/broadinstitute/sting/gatk/walkers/genotyper/UnifiedArgumentCollection.java b/java/src/org/broadinstitute/sting/gatk/walkers/genotyper/UnifiedArgumentCollection.java
index 7e38b5222..51fe985bb 100755
--- a/java/src/org/broadinstitute/sting/gatk/walkers/genotyper/UnifiedArgumentCollection.java
+++ b/java/src/org/broadinstitute/sting/gatk/walkers/genotyper/UnifiedArgumentCollection.java
@@ -35,7 +35,7 @@ import java.io.File;
 public class UnifiedArgumentCollection {
 
     // control the various models to be used
-    @Argument(fullName = "genotype_likelihoods_model", shortName = "glm", doc = "Genotype likelihoods calculation model to employ -- BOTH is the default option, while INDEL is also available for calling indels and SNP is available for calling SNPs only", required = false)
+    @Argument(fullName = "genotype_likelihoods_model", shortName = "glm", doc = "Genotype likelihoods calculation model to employ -- SNP is the default option, while INDEL is also available for calling indels and BOTH is available for calling both together", required = false)
     public GenotypeLikelihoodsCalculationModel.Model GLmodel = GenotypeLikelihoodsCalculationModel.Model.SNP;
 
     @Argument(fullName = "p_nonref_model", shortName = "pnrm", doc = "Non-reference probability calculation model to employ -- EXACT is the default option, while GRID_SEARCH is also available.", required = false)