diff --git a/drivers/staging/iio/trigger/Kconfig b/drivers/staging/iio/trigger/Kconfig
index 2fd18c60323d..710a2f3e787e 100644
--- a/drivers/staging/iio/trigger/Kconfig
+++ b/drivers/staging/iio/trigger/Kconfig
@@ -1,4 +1,4 @@
-#
+  #
 # Industrial I/O standalone triggers
 #
 comment "Triggers - standalone"
@@ -12,6 +12,9 @@ config IIO_PERIODIC_RTC_TRIGGER
 	  Provides support for using periodic capable real time
 	  clocks as IIO triggers.
 
+	  To compile this driver as a module, choose M here: the
+	  module will be called iio-trig-periodic-rtc.
+
 config IIO_BFIN_TMR_TRIGGER
 	tristate "Blackfin TIMER trigger"
 	depends on BLACKFIN