diff --git a/wilson-basic/data/A_RNAseq_Zhang_2015.se b/wilson-basic/data/A_RNAseq_Zhang_2015.se
index 0d010d7..ce3529f 100644
--- a/wilson-basic/data/A_RNAseq_Zhang_2015.se
+++ b/wilson-basic/data/A_RNAseq_Zhang_2015.se
@@ -2,7 +2,7 @@
 !version=1.0					
 !experiment_id=49424					
 !delimiter=|					
-#key	factor1	level	type	label	sub_label
+#key	factor1="genotype"	level	type	label	sub_label
 #Ensembl gene id		feature	unique_id	unique id	
 #Ensembl gene		feature	name	gene name	
 #Ensembl biotype		feature	category	feature type