fixing typo

index.html

@@ -972,7 +972,7 @@ <h3 class="title"><span>Previous</span> <span style="color: #dd0a37;">Editions</
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 						<td> 2023 </td>
 						<td> <a href="https://2023.eswc-conferences.org/">ESWC</a> - Hersonissos (Greece) </td>
-						<td> <a href="https://ceur-ws.org/Vol-3471/">https://ceur-ws.org/Vol-3471/</a></td>
+						<td> <a href="https://ceur-ws.org/Vol-3471/">https://ceur-ws.org/Vol-3471</a></td>
 						<td> <a href="https://w3id.org/kg-construct/workshop/2023">https://w3id.org/kg-construct/workshop/2023</a> </td>
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