diff --git a/HowtoPHP.md b/HowtoPHP.md
index 9b4dc945..1360db8e 100644
--- a/HowtoPHP.md
+++ b/HowtoPHP.md
@@ -243,7 +243,7 @@ Composer - Package Management for PHP
 Composer is a dependency manager tracking local dependencies of your projects and libraries.
 See https://getcomposer.org/ for more information.
 
-echo '{"require": {"twig/extensions": "~1.0"}}' > composer.json
+$ echo '{"require": {"twig/extensions": "~1.0"}}' > composer.json
 
 $ composer update
 Loading composer repositories with package information