diff --git a/admin_manual/configuration_server/config_sample_php_parameters.rst b/admin_manual/configuration_server/config_sample_php_parameters.rst
index 190ca0449db..4a61b83d098 100644
--- a/admin_manual/configuration_server/config_sample_php_parameters.rst
+++ b/admin_manual/configuration_server/config_sample_php_parameters.rst
@@ -336,7 +336,7 @@ Your host server name, for example ``localhost``, ``hostname``,
 ``hostname.example.com``, or the IP address.
 
 To specify a port use ``hostname:####``, for IPv6 addresses use the URI notation ``[ip]:port``.
-To specify a Unix socket use ``/path/to/directory/containing/socket``, e.g. ``/run/postgresql/``.
+To specify a Unix socket use ``localhost:/path/to/directory/containing/socket`` or ``:/path/to/directory/containing/socket``, e.g. ``localhost:/run/postgresql/``.
 
 dbname
 ^^^^^^