diff --git a/README.md b/README.md
index 981b1dfdb324a41fab1b1aac3aeaad172d860f27..687e141659d3e4c82ae20cb6bcaa25314599c1e8 100644
--- a/README.md
+++ b/README.md
@@ -446,7 +446,7 @@ RS24625 ACAAGGTAACCGTAGGGGAACCTGCGGTTGGATCACCTCCTTA
 </sup>
 
 
-As the HTS reads arise from an _E. coli_ genome, _ASSU_ can also be run by using option `-p` to specify this species as model (don't forget to use quotation marks when specifying a pattern with option `-p`):
+As the HTS reads arise from an _E. coli_ genome, _ASSU_ can also be run by using option `-p` to specify this species as model (don't forget to use quotation marks when specifying a multiple word pattern with option `-p`):
 
 ```bash
 ./ASSU.sh  -t 12  -p "Escherichia coli"  -v  SRR7896249_*.fastq.gz