diff --git a/lib/databases/postgresql b/lib/databases/postgresql
index b173772..519479a 100644
--- a/lib/databases/postgresql
+++ b/lib/databases/postgresql
@@ -2,7 +2,8 @@
 # Functions to control the configuration and operation of the **PostgreSQL** database backend
 
 # Dependencies:
-# DATABASE_{HOST,USER,PASSWORD} must be defined
+#
+# - DATABASE_{HOST,USER,PASSWORD} must be defined
 
 # Save trace setting
 PG_XTRACE=$(set +o | grep xtrace)