diff --git a/Calculate_mapping_rate.sh b/Calculate_mapping_rate.sh
index 6e037ee..a229de2 100644
--- a/Calculate_mapping_rate.sh
+++ b/Calculate_mapping_rate.sh
@@ -20,8 +20,8 @@ READS=$1
 DRAFT_READS=$2
 CONTIG=$3
 
-MINIMAP2=minimap2 #specify full path if you want to use a version of the program which is not in your PATH
-SAMTOOLS=samtools #specify full path if you want to use a version of the program which is not in your PATH
+MINIMAP2=minimap2 #specify full path if you want to use a version of the program that is not in your PATH
+SAMTOOLS=samtools #specify full path if you want to use a version of the program that is not in your PATH
 
 wdir=$(realpath $(pwd))
 reads_full=$wdir"/"$READS