diff --git a/drivers/iio/dummy/Kconfig b/drivers/iio/dummy/Kconfig
index 85e13b2e35bf..c4fd108e91d3 100644
--- a/drivers/iio/dummy/Kconfig
+++ b/drivers/iio/dummy/Kconfig
@@ -24,6 +24,10 @@ config IIO_SIMPLE_DUMMY_EVENTS
 	help
 	  Add some dummy events to the simple dummy driver.
 
+	  The purpose of this is to generate 'fake' event interrupts thus
+	  allowing that driver's code to be as close as possible to that
+	  a normal driver talking to hardware.
+
 config IIO_SIMPLE_DUMMY_BUFFER
 	bool "Buffered capture support"
 	select IIO_BUFFER
@@ -32,6 +36,9 @@ config IIO_SIMPLE_DUMMY_BUFFER
 	help
 	  Add buffered data capture to the simple dummy driver.
 
+	  Buffer handling elements of industrial I/O reference driver.
+	  Uses the kfifo buffer.
+
 endif # IIO_SIMPLE_DUMMY
 
 endmenu