Minor updates

led_display.py

@@ -1,4 +1,4 @@
-# Library containing the class to create a new LED light display.
+# Library containing the class interface to create a new LED light display.
 
 import board
 import neopixel
@@ -38,6 +38,7 @@ class LightDisplay:
         pixel_framebuf = PixelFramebuffer(neo_pixel, pixel_width, pixel_height, reverse_x=True,alternating=True)
 
         print ('Press Ctrl-C to quit.')
+
         if not args.clear:
             print('Use "-c" argument to clear LEDs on exit')