diff --git a/documentation/qudio/index.html b/documentation/qudio/index.html
index ed0eff6..def5337 100644
--- a/documentation/qudio/index.html
+++ b/documentation/qudio/index.html
@@ -147,7 +147,7 @@ h2, h3, h4 {
 			<li><a href="images/IMG_20190122_092518.jpg" data-fancybox="part" data-caption="30-pin Apple dock adapter to micro USB and 3.5 mm audio">30-pin Apple dock adapter to micro USB and 3.5 mm audio</a></li>
 			<li><a href="images/IMG_20190122_093929.jpg" data-fancybox="part" data-caption="3 mm white LED (with optional 220 &#8486; resistor)">White LED (preferably diffused) for illumination of the QR cards with a proper resistor</a></li>
 			<li>3 <a href="images/IMG_20190122_082511.jpg" data-fancybox="part" data-caption="Push buttons with 12 mm caps">push buttons with 12 mm caps</a></li>
-			<li>Jumper cables: 6x M-F 10 cm for the buttons, 5x F-F 10 cm for the audio module,  4x F-F 20 cm for the sensor and the LED</li>
+			<li>Jumper cables: 6x M-F 10 cm for the buttons, 5x F-F 10 cm for the audio module, 5x F-F 20 cm for the sensor and the LED</li>
 			<li>A small sheet of acrylic glass / plexiglass (around 2 mm)</li>
 			<li><a href="images/IMG_20190122_093439.jpg" data-fancybox="part" data-caption="M3 screws and nuts">2 M3&times;16 screws, 6 M3&times;8 screws and 3 nuts</a></li>
 			<li>5 M3 <a href="images/IMG_20190122_091418.jpg" data-fancybox="part" data-caption="Threaded inserts">threaded heat-set inserts</a></li>