iio: reword help text of several IIO_ST drivers

Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Acked-by: "Denis Ciocca" <denis.ciocca@st.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
diff --git a/drivers/iio/magnetometer/Kconfig b/drivers/iio/magnetometer/Kconfig
index c332b0a..4d55b1b 100644
--- a/drivers/iio/magnetometer/Kconfig
+++ b/drivers/iio/magnetometer/Kconfig
@@ -36,8 +36,8 @@
 	  Say yes here to build support for STMicroelectronics magnetometers:
 	  LSM303DLHC, LSM303DLM, LIS3MDL.
 
-	  This driver can also be built as a module. If so, will be created
-	  these modules:
+	  This driver can also be built as a module. If so, these modules
+	  will be created:
 	  - st_magn (core functions for the driver [it is mandatory]);
 	  - st_magn_i2c (necessary for the I2C devices [optional*]);
 	  - st_magn_spi (necessary for the SPI devices [optional*]);