diff --git a/Tools/serial/serial_params.c.jinja b/Tools/serial/serial_params.c.jinja
index 013dc9133879..f92bc5568fe3 100644
--- a/Tools/serial/serial_params.c.jinja
+++ b/Tools/serial/serial_params.c.jinja
@@ -55,9 +55,9 @@ PARAM_DEFINE_INT32(SER_{{ serial_device.tag }}_BAUD, {{ serial_device.default_ba
  * {{ command.description_extended | replace("\n", " ") }}
  *
  * @value 0 Disabled
-{% for serial_device in serial_devices -%}
+{%- for serial_device in serial_devices %}
  * @value {{ serial_device.index }} {{ serial_device.label }}
-{% endfor -%}
+{%- endfor %}
  * @group {{ command.param_group }}
  * @reboot_required true
  */