diff --git a/README.md b/README.md
index d85cf00..326f3dc 100644
--- a/README.md
+++ b/README.md
@@ -9,4 +9,4 @@ python3 uniprot-api.py -t 150 -p 10
 
 `-t <number of entries>`: go through the first `<number of entries>` entries in the `rhea_unclassified_unique_ec4_candidates.tsv` file.
 
-`-p <number of uniprot proteins`: limit results by number of uniprot proteins associated with a rhea id. If searching UniProt by a rhea ID yield more than `<number of uniprot proteins>` results, that rhea entry will be skipped.
+`-p <number of uniprot proteins>`: limit results by number of uniprot proteins associated with a rhea id. If searching UniProt by a rhea ID yield more than `<number of uniprot proteins>` results, that rhea entry will be skipped.