diff --git a/include/linux/rmi.h b/include/linux/rmi.h
index 8499b6aa22215883a9f723226f12fbdc1be0b66c..27dd9aa4090c56f74690b0868e8b5068f4c98645 100644
--- a/include/linux/rmi.h
+++ b/include/linux/rmi.h
@@ -108,7 +108,7 @@ struct rmi_2d_sensor_platform_data {
  * @buttonpad - the touchpad is a buttonpad, so enable only the first actual
  * button that is found.
  * @trackstick_buttons - Set when the function 30 is handling the physical
- * buttons of the trackstick (as a PD/2 passthrough device.
+ * buttons of the trackstick (as a PS/2 passthrough device).
  * @disable - the touchpad incorrectly reports F30 and it should be ignored.
  * This is a special case which is due to misconfigured firmware.
  */