diff --git a/README.md b/README.md
index 482a6cc..5761db6 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@
 
 Prepare raspberry pico:
 
-1- Clone [source code code](https://codeberg.org/libreboot/pico-serprog)and
+1- Clone [source code code](https://codeberg.org/libreboot/pico-serprog), and
 
 2- Follow instructions to compile and so on...