diff --git a/ascii.py b/ascii.py
index 8686757..81620f4 100755
--- a/ascii.py
+++ b/ascii.py
@@ -12,14 +12,14 @@ import numpy as np
 import numpngw
 
 ASCII_CHARS = "$@%#*+=-:. "
-HEADERS = {'User-Agent': 'Gimme the ascii.'}
+HEADERS = {'User-Agent': 'Gimme ascii.'}
 
 
-def scale_image(image, size=(100,100)):
+def scale_image(image, maxDim=100):
 	"""
 	Resizes an image while preserving the aspect ratio. Chooses the
 	dimension to scale by based on whichever is larger, ensuring that
-	neither width or height is ever larger than the accepted size tuple.
+	neither width or height is ever larger than the maxDim argument.
 
 	Because text characters are typically pretty close to a 1:2 rectangle,
 	we weight the width twice as much.
@@ -27,15 +27,15 @@ def scale_image(image, size=(100,100)):
 	original_width, original_height = image.size
 	original_width = original_width * 2
 	if original_width > original_height:
-		if original_width > size[0]:
-			new_width = size[0]
+		if original_width > maxDim:
+			new_width = maxDim
 			aspect_ratio = original_height/float(original_width)
 			new_height = int(aspect_ratio * new_width)
 		else:
 			new_width, new_height = image.size
 	else:
-		if original_height > size[1]:
-			new_height = size[1]
+		if original_height > maxDim:
+			new_height = maxDim
 			aspect_ratio = original_width/float(original_height)
 			new_width = int(aspect_ratio * new_height)
 		else:
@@ -221,8 +221,7 @@ if __name__=='__main__':
 		description="Converts an image file to ascii art.")
 	parser.add_argument(
 		"imagePath",
-		help="The path to the image file. May be a local path or internet \
-		internet URL.")
+		help="The path to the image file. May be a local path or internet URL.")
 	parser.add_argument(
 		"-r",
 		"--reverse",
@@ -248,7 +247,7 @@ if __name__=='__main__':
 		"--color",
 		type=str,
 		help="Colorizes the ascii matrix. Currently supported modes are 'irc' \
-		and 'ansi'.")
+		and 'ansi' for generating color codes compliant with those standards.")
 	parser.add_argument(
 		"--ansi",
 		dest="color",