diff --git a/config/config.sample.php b/config/config.sample.php
index b7e5772b91a..dba68ba296d 100644
--- a/config/config.sample.php
+++ b/config/config.sample.php
@@ -108,7 +108,7 @@ $CONFIG = [
  * Your host server name, for example ``localhost``, ``hostname``,
  * ``hostname.example.com``, or the IP address. To specify a port use
  * ``hostname:####``; to specify a Unix socket use
- * ``localhost:/path/to/socket``.
+ * ``/path/to/directory/containing/socket`` e.g. ``/run/postgresql/``.
  */
 'dbhost' => '',