diff --git a/HowtoGuetzli.md b/HowtoGuetzli.md
index c2f4e041..86bf9aea 100644
--- a/HowtoGuetzli.md
+++ b/HowtoGuetzli.md
@@ -16,6 +16,7 @@ deb http://mirror.evolix.org/debian buster main
 ~~~
 
 /etc/apt/preferences.d/guetzli
+
 ~~~
 Package: *
 Pin: release n=buster