Fix ReadMe

Author: briochemc

README.md

@@ -4,10 +4,12 @@ Pick a colormap from the colorbar in an image.
 
 When you often want to compare your results with someone else's, it can be hard to reproduce a map or a plot with a colormap that you don't have in your setup. This tool allows you to create a colormap that matches that of any figure. You just have to accurately select where the colorbar is on the image/figure.
 
-Here's an example of extracting the colormap from an image with some of MatPlotLib's colormaps:
+Here's an example of extracting the colormap from an image with some of matplotlib's colormaps:
 
 https://user-images.githubusercontent.com/4486578/162355888-9562e3ff-7cd8-4d4c-ba3c-0f1adeb351af.mov
 
+To check if you got it right, a colorbar with your newly created colormap is shown on the right.
+
 Requires the Image Processing Toolbox!
 
 ## Usage