update foot

index.html

@@ -271,7 +271,7 @@ <h2 class="title">BibTeX</h2>
             Commons Attribution-ShareAlike 4.0 International License</a>.
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           <p>
-           This page is borrowed from <a href="https://github.com/nerfies/nerfies.github.io">the Nerfies website</a>. We thank the author for sharing it.
+           This page is borrowed from <a href="https://github.com/nerfies/nerfies.github.io">the Nerfies website</a>. We thank the authors for sharing it.
           </p>
         </div>
       </div>