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/gpio-tilt.txt b/Documentation/input/gpio-tilt.txt
index 06d60c3..2cdfd9b 100644
--- a/Documentation/input/gpio-tilt.txt
+++ b/Documentation/input/gpio-tilt.txt
@@ -28,7 +28,7 @@
 --------
 
 Example configuration for a single TS1003 tilt switch that rotates around
-one axis in 4 steps and emitts the current tilt via two GPIOs.
+one axis in 4 steps and emits the current tilt via two GPIOs.
 
 static int sg060_tilt_enable(struct device *dev) {
 	/* code to enable the sensors */