Update README.md

Author: camelCaseSensitive

README.md

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 # Pixel-Math-Worksheet-Generator-Add-Subtract
 Browser tool for generating color by numbers pixel math worksheets for addition and subtraction practice. 
 
-[![Pixel Math Worksheet Generator](./pikachu workflow.png "Pikachu Worksheet")](https://camelcasesensitive.github.io/Pixel-Math-Worksheet-Generator-Add-Subtract/)
+[![Pixel Math Worksheet Generator](./pikachu workflow.png)](https://camelcasesensitive.github.io/Pixel-Math-Worksheet-Generator-Add-Subtract/)
 > Click the image above to try it live on GitHub Pages.
 
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