Update README.md

Signed-off-by: Luc <[email protected]>

Author: luc-github

README.md

@@ -82,7 +82,7 @@ for them go [here](https://github.com/luc-github/ESP3D)
        <a href="https://luc-github.github.io/sponsors/esp3dlib/silver-8.html" target="_blank" rel="noopener noreferrer"><img src="https://luc-github.github.io/sponsors/esp3dlib/silver-8.svg" style="max-width:400px; width:auto; height:auto"></a>
        <a href="https://luc-github.github.io/sponsors/esp3dlib/silver-9.html" target="_blank" rel="noopener noreferrer"><img src="https://luc-github.github.io/sponsors/esp3dlib/silver-9.svg" style="max-width:400px; width:auto; height:auto"></a>
    </div>
-   Support ESP3D Development - <a href="https://esp3d.io/sponsors" target="_blank" rel="noopener noreferrer">Become a Sponsor</a>
+   Support ESP3D Development - <a href="https://esp3d.io/sponsoring" target="_blank" rel="noopener noreferrer">Become a Sponsor</a>
 </div>
 
 ## Features