Spelling Mistake

Change-Id: Ic53619dbae02868adc4bb2d352ca1339d3de61dd
diff --git a/acts/framework/acts/controllers/android_device.py b/acts/framework/acts/controllers/android_device.py
index 1a41e75..4e2334b 100755
--- a/acts/framework/acts/controllers/android_device.py
+++ b/acts/framework/acts/controllers/android_device.py
@@ -1398,7 +1398,7 @@
             try:
                 completed = self.adb.getprop("sys.boot_completed")
                 if completed == '1':
-                    self.log.debug("devie has rebooted")
+                    self.log.debug("Device has rebooted")
                     return
             except AdbError:
                 # adb shell calls may fail during certain period of booting