imagenes portadas

docs/assignments/index.md

@@ -41,12 +41,12 @@
         <a href="week11" class="assignment-link" style="background-image: url('../images/portadas/portada11.jpg')">
             <span>11. Mechanical design, machine design</span>
         </a>
-        <a href="week12" class="assignment-link" style="background-image: url('../images/week12/portada12.jpg')">
+        <a href="week12" class="assignment-link" style="background-image: url('../images/portadas/portada12.jpg')">
             <span>12. Input devices</span>
         </a>
     </div>
     <div class="row">
-        <a href="week13" class="assignment-link" style="background-image: url('../images/week13/portada13.jpg')">
+        <a href="week13" class="assignment-link" style="background-image: url('../images/portadas/portada13.jpg')">
             <span>13. Networking and communications</span>
         </a>
     </div>