diff --git a/app/config/parameters.yml b/app/config/parameters.yml
index c1a07f5..e39bd8e 100755
--- a/app/config/parameters.yml
+++ b/app/config/parameters.yml
@@ -1,7 +1,7 @@
 parameters:
 ### todo: switch to using dsn urls, see https://www.doctrine-project.org/projects/doctrine-dbal/en/2.9/reference/configuration.html#connecting-using-a-url
 ###       To avoid suprises, a DSN can be constructed here from parts, at least for the shipping default parameters
-###       Connection definition in config.yml should only use url: %database_dsn% though
+###       Connection definition in config.yml should only use url: '%database_dsn%' though
     database_driver:   pdo_pgsql
     database_host:     localhost
     database_port:     5432