diff --git a/README.md b/README.md
index 9572353..a467dfa 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,3 @@
 # Cert Check
 
-This script checks if given SSL cert, key and csr match each other.
+This script checks if given SSL cert, key, and csr match each other.