staging: iio: Fix typo in iio

Correct spelling typo in staging/iio

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Acked-by: Michael Hennerich<michael.hennerich@analog.com>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/iio/TODO b/drivers/staging/iio/TODO
index d1ad35e..cf3f948 100644
--- a/drivers/staging/iio/TODO
+++ b/drivers/staging/iio/TODO
@@ -67,7 +67,7 @@
 
 Documentation
 1) Lots of cleanup and expansion.
-2) Some device require indvidual docs.
+2) Some device require individual docs.
 
 Contact: Jonathan Cameron <jic23@cam.ac.uk>.
 Mailing list: linux-iio@vger.kernel.org