correct typo

Author: mkraska

README.md

@@ -9,7 +9,7 @@ The [Setup](Setup.md) page provides instructions on how to setup the working env
 
 Click the preview images to view the examples.
 
-This page uses animated gifs. In Firefox, you might want to install the plugin [Toggle A../../REnimated Gifs](https://addons.mozilla.org/en-US/firefox/addon/toggle-animated-gifs/) to add replay controls.
+This page uses animated gifs. In Firefox, you might want to install the plugin [Toggle Animated Gifs](https://addons.mozilla.org/en-US/firefox/addon/toggle-animated-gifs/) to add replay controls.
 
 [<img
   src="Drahtbiegen/Biegung/movie.gif"