diff --git a/README.md b/README.md
index 0f2d790..9fe1deb 100644
--- a/README.md
+++ b/README.md
@@ -38,6 +38,6 @@ it is no longer needed.
 
 Live test demo: http://iridadesign.com/starter-public-edition-4/www/non-mvc/http_build_url_test.php
 
-*An important note:* Don't use host autodetection (or more generally base url autodetection)
+**An important note:** Don't use host autodetection (or more generally base url autodetection)
 implemented by this function, it relies first on $_SERVER['HTTP_HOST'].  
 See http://carlos.bueno.org/2008/06/host-header-injection.html