diff --git a/doc/markdown/dev_guide.md b/doc/markdown/dev_guide.md
index afad167..4b311de 100644
--- a/doc/markdown/dev_guide.md
+++ b/doc/markdown/dev_guide.md
@@ -138,7 +138,7 @@ tox -e functest
 After making the changes needed, you can commit your changes by typing:
 
 ~~~
-git commit -a
+git commit -as
 ~~~
 
 where the commit message should follow the following recommendations: