CircuitPython RGBMatrix: only one space after sentence-ending period

CircuitPython_RGBMatrix/fruit.py

@@ -15,8 +15,8 @@ matrix = rgbmatrix.RGBMatrix(
     clock_pin=board.D13, latch_pin=board.D0, output_enable_pin=board.D1)
 display = framebufferio.FramebufferDisplay(matrix, auto_refresh=False)
 
-# This bitmap contains the emoji we're going to use.  It is assumed
-# to contain 20 icons, each 20x24 pixels.  This fits nicely on the 64x32
+# This bitmap contains the emoji we're going to use. It is assumed
+# to contain 20 icons, each 20x24 pixels. This fits nicely on the 64x32
 # RGB matrix display.
 bitmap_file = open("emoji.bmp", 'rb')
 bitmap = displayio.OnDiskBitmap(bitmap_file)
@@ -28,9 +28,9 @@ STOPPED, RUNNING, BRAKING = range(3)
 def shuffled(seq):
     return sorted(seq, key=lambda _: random.random())
 
-# The Wheel class manages the state of one wheel.  "pos" is a position in
+# The Wheel class manages the state of one wheel. "pos" is a position in
 # scaled integer coordinates, with one revolution being 7680 positions
-# and 1 pixel being 16 positions.  The wheel also has a velocity (in positions
+# and 1 pixel being 16 positions. The wheel also has a velocity (in positions
 # per tick) and a state (one of the above constants)
 class Wheel(displayio.TileGrid):
     def __init__(self):

CircuitPython_RGBMatrix/life.py

@@ -23,7 +23,7 @@ displayio.release_displays()
 #
 # This function has been somewhat optimized, so that when it indexes the bitmap
 # a single number [x + width * y] is used instead of indexing with [x, y].
-# This makes the animation run faster with some loss of clarity.  More
+# This makes the animation run faster with some loss of clarity. More
 # optimizations are probably possible.
 
 def apply_life_rule(old, new):

CircuitPython_RGBMatrix/scroller.py

@@ -1,5 +1,5 @@
 # This example implements a rainbow colored scroller, in which each letter
-# has a different color.  This is not possible with
+# has a different color. This is not possible with
 # Adafruit_Circuitpython_Display_Text, where each letter in a label has the
 # same color
 #

CircuitPython_RGBMatrix/simple_scroller.py

@@ -1,5 +1,5 @@
 # This example implements a simple two line scroller using
-# Adafruit_CircuitPython_Display_Text.  Each line has its own color
+# Adafruit_CircuitPython_Display_Text. Each line has its own color
 # and it is possible to modify the example to use other fonts and non-standard
 # characters.
 
@@ -48,7 +48,7 @@ def scroll(line):
     if line.x < -line_width:
         line.x = display.width
 
-# You can add more effects in this loop.  For instance, maybe you want to set the
+# You can add more effects in this loop. For instance, maybe you want to set the
 # color of each label to a different value
 while True:
     scroll(line1)