diff --git a/drivers/watchdog/st_lpc_wdt.c b/drivers/watchdog/st_lpc_wdt.c
index f32be155212adfea313f3c45716749199af2296d..6785afdc0fcaabad1694f3e0c24b316ddb29c1bf 100644
--- a/drivers/watchdog/st_lpc_wdt.c
+++ b/drivers/watchdog/st_lpc_wdt.c
@@ -197,7 +197,7 @@ static int st_wdog_probe(struct platform_device *pdev)
 		return -EINVAL;
 	}
 
-	/* LPC can either run in RTC or WDT mode */
+	/* LPC can either run as a Clocksource or in RTC or WDT mode */
 	if (mode != ST_LPC_MODE_WDT)
 		return -ENODEV;