Update README.md

Author: David Soyez

README.md

@@ -37,7 +37,7 @@ Bugs & Features
 Known Issues
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-1. Using both blinking and scrolling at the two lines at the same makes the animation a little bit slower the more boards you have.
+1. Using both blinking and scrolling on the two lines at the same makes the animation a little bit slower the more boards you have.
 
 Future Plans
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