diff --git a/index.html b/index.html
index 7032320..a828eea 100644
--- a/index.html
+++ b/index.html
@@ -111,21 +111,18 @@
                 <span class="card-domain">password.mischlabs.de</span>
             </a>
 
-            <a href="https://docs.mischlabs.de" class="card" target="_blank" rel="noopener">
+            <a href="https://books.mischlabs.de" class="card" target="_blank" rel="noopener">
                 <div class="card-icon" style="--accent: #06b6d4;">
                     <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round">
-                        <path d="M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z"/>
-                        <polyline points="14 2 14 8 20 8"/>
-                        <line x1="16" y1="13" x2="8" y2="13"/>
-                        <line x1="16" y1="17" x2="8" y2="17"/>
-                        <polyline points="10 9 9 9 8 9"/>
+                        <path d="M2 3h6a4 4 0 0 1 4 4v14a3 3 0 0 0-3-3H2z"/>
+                        <path d="M22 3h-6a4 4 0 0 0-4 4v14a3 3 0 0 1 3-3h7z"/>
                     </svg>
                 </div>
                 <div class="card-content">
-                    <h2>Docs</h2>
-                    <p>Dokumentation</p>
+                    <h2>Books</h2>
+                    <p>Buecher &amp; Bibliothek</p>
                 </div>
-                <span class="card-domain">docs.mischlabs.de</span>
+                <span class="card-domain">books.mischlabs.de</span>
             </a>
 
             <a href="https://michess.mischlabs.de" class="card" target="_blank" rel="noopener">