fix download link

Author: AilysGeister

index.html

@@ -64,7 +64,7 @@ <h4>Download from git:</h4>
 
                 <h4>Download from release:</h4>
                 Click on the button bellow to install the runnable jar file, once it is downloaded, you can run it:<br>
-                <a href="https://github.com/AilysGeister/cryptogramme/releases/download/v1.0.0/Cryptogramme-1.0.jar"><img src="https://img.shields.io/badge/Download-JAR-blue"></a>
+                <a href="https://github.com/AilysGeister/cryptogramme/releases/tag/AC20"><img src="https://img.shields.io/badge/Download-JAR-blue"></a>
 
             </p>
 
@@ -165,4 +165,5 @@ <h3>Decrypt a file</h3>
     </footer>
 </body>
 <script src="script.js"></script>
-</html>
+
+</html>