Update index.html

Author: feizc

index.html

@@ -122,7 +122,7 @@ <h1 class="title is-3 publication-title">SkyReels-A3: Towards Ultra-Long Audio-C
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                           <i class="ai ai-arxiv"></i>
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-                        <span>Ref. Paper</span>
+                        <span>Ref Paper</span>
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