doc/input : Fix typos in Documentation/input

This patch fix spelling typos in Documentations/input.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
diff --git a/Documentation/input/walkera0701.txt b/Documentation/input/walkera0701.txt
index 561385d..49e3ac6 100644
--- a/Documentation/input/walkera0701.txt
+++ b/Documentation/input/walkera0701.txt
@@ -91,7 +91,7 @@
 first ten nibbles.
 
 Next nibbles 12 .. 21 represents four channels (not all channels can be
-directly controlled from TX). Binary representations ar the same as in first
+directly controlled from TX). Binary representations are the same as in first
 four channels. In nibbles 22 and 23 is a special magic number. Nibble 24 is
 checksum for nibbles 12..23.