Fix typo in variable name

public/typo3conf/ext/ep_theme/Resources/Private/Partials/Product/Details.html

@@ -25,9 +25,9 @@
         {product.programmeDescription -> f:format.html()}
     </div>
 </f:if>
-<f:if condition="{product.skipassDescription}">
+<f:if condition="{product.skiPassDescription}">
     <div class="ep-headbar">Skipass, Kurse, Leihmaterial</div>
     <div class="product-details product-details--skipass">
-        {product.skipassDescription -> f:format.html()}
+        {product.skiPassDescription -> f:format.html()}
     </div>
 </f:if>