Fix various spelling mistakes and typos

Change-Id: Ie4ff17b5abdc1ac4c7c378ead91ee9065e4fd32f
diff --git a/src/devices/input/key-character-map-files.jd b/src/devices/input/key-character-map-files.jd
index d485707..aa9ff88 100644
--- a/src/devices/input/key-character-map-files.jd
+++ b/src/devices/input/key-character-map-files.jd
@@ -64,7 +64,7 @@
 (see <code>KeyCharacterMap.VIRTUAL_KEYBOARD</code>).  It is present on all Android devices
 beginning with Android Honeycomb 3.0.  The purpose of the virtual keyboard device
 is to provide a known built-in input device that can be used for injecting
-keystokes into applications by the IME or by test instrumentation, even
+keystrokes into applications by the IME or by test instrumentation, even
 for devices that do not have built-in keyboards.</p>
 <p>The virtual keyboard is assumed to have a full QWERTY layout that is the
 same on all devices.  This makes it possible for applications to inject