Update index.md

Author: nerlab

research/index.md

@@ -5,7 +5,7 @@ nav:
   tooltip: Published Works
 ---
 
-# {% include icon.html icon="fa-solid fa-book-open" %}Publication
+# {% include icon.html icon="fa-solid fa-book-open" %}Publications
 
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 Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.