diff --git a/README.MD b/README.MD
index 01d6902..27f5205 100644
--- a/README.MD
+++ b/README.MD
@@ -1,4 +1,4 @@
-# plot_gc_cover is for plotting gc and coverage/abundance and visualize it. 
+# gc_cover is for plotting gc and coverage/abundance and visualize it. 
 #
 # for test
-#./../plot_gc_cover.py --contigs test.fasta --coverage test.coverage -prefix test -bins_dir $PWD  -contig_len 0
+#./../gc_cover.py --contigs test.fasta --coverage test.coverage -prefix test -bins_dir $PWD  -contig_len 0