Updated README.md

Signed-off-by: Magic <magicoflolis@tuta.io>

Author: magicoflolis

README.md

@@ -48,7 +48,7 @@ javascript:(function(){['https://cdn.jsdelivr.net/gh/magicoflolis/Userscript-Plu
 | Demos |
 |:----------:|
 |![Installing Userscript](https://raw.githubusercontent.com/magicoflolis/Userscript-Plus/master/assets/install-userscript.gif)|
-|![Using Tabs](https://raw.githubusercontent.com/magicoflolis/Userscript-Plus/master/assets/using-tabs)|
+|![Using Tabs](https://raw.githubusercontent.com/magicoflolis/Userscript-Plus/master/assets/using-tabs.gif)|
 
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