diff --git a/pyproject.toml b/pyproject.toml
index 52f6f41f975a0c796e4dcb5fb3c2b8feb854802c..8786ae31a1b2e9d4d345fd4ba7b718382d099ffc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ version = "0.1.0"
 licence = "GPL-3.0"
 description = "Tools to design and analyse CRISPRi experiments"
 authors = ["David Bikard <david.bikard@pasteur.fr>", "Remi Planel <rplanel@pasteur.fr>"]
-keywords = ["CRISPR", "genomics","bacteria","CRISPRi","screen"]
+keywords = ["CRISPR", "genomics", "bacteria", "CRISPRi", "screen"]
 homepage = "https://gitlab.pasteur.fr/dbikard/crisprbact"
 classifiers = [
     "Environment :: Console",