Refine landing page card copy

index.html

@@ -216,7 +216,7 @@
     <a class="card" href="http://34.125.240.119:8000/" target="_blank" rel="noopener noreferrer" aria-label="Launch MiniCPM-V 4.6 demo">
       <div class="card-copy">
         <div class="card-title">Launch MiniCPM-V 4.6 Demo</div>
-        <div class="card-sub">Try MiniCPM-V 4.6 in an interactive demo environment.</div>
+        <div class="card-sub">Try MiniCPM-V 4.6 in an interactive environment.</div>
       </div>
       <span class="arrow" aria-hidden="true">
         <svg width="16" height="16" viewBox="0 0 14 14" fill="none" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M3 11L11 3"/><path d="M5 3h6v6"/></svg>