Staging: pi433: fix grammar issues

- This commit fixes spelling issues in documentation files.

Signed-off-by: Keerthi Reddy <keerthigd4990@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Keerthi Reddy 2017-09-28 00:19:22 +05:30 • committed by Greg Kroah-Hartman
commit a62330176f