fix typo, update set_time comment

Author: FoamyGuy

adafruit_display_analogclock.py

@@ -139,7 +139,7 @@ def set_time(self, hour, minute):
         Set the hour and minute hands to the appropriate angles
         based on the given time.
 
-        :param hour: The hour to set 0-12
+        :param hour: The hour to set 0-23
         :param minute: The minute to set 0-59
         :return: None
         """

examples/display_analogclock_simpletest.py

@@ -3,7 +3,7 @@
 
 """
 Demonstration of AnalogClock display widget.
-Iniaitialize a clock, show it on the display and set it
+Initialize a clock, show it on the display and set it
 to show a specific time.
 
 Intended to run on devices with a built-in display.