trivial: input/misc: Fix typo in Kconfig

Signed-off-by: NAlessio Igor Bogani <abogani@texware.it>
Signed-off-by: NJiri Kosina <jkosina@suse.cz>

drivers/input/misc/Kconfig

@@ -232,7 +232,7 @@ config INPUT_GPIO_ROTARY_ENCODER
 	depends on GPIOLIB && GENERIC_GPIO
 	help
 	  Say Y here to add support for rotary encoders connected to GPIO lines.
-	  Check file:Documentation/incput/rotary_encoder.txt for more
+	  Check file:Documentation/input/rotary-encoder.txt for more
 	  information.
 
 	  To compile this driver as a module, choose M here: the