diff --git a/documentation/index.html b/documentation/index.html
index 85ccd08..89c9b58 100644
--- a/documentation/index.html
+++ b/documentation/index.html
@@ -171,7 +171,7 @@ h2, h3 {
 			<li>JBL On Stage IIIP (used via ebay for less than 20 €)</li>
 			<li>3 &times; M3 screws with nuts and washers for mounting the case on the speaker</li>
 			<li>Raspberry Pi Zero with an SD card</li>
-			<li>Pimoroni PHAT DAC</li>
+			<li><a href="https://shop.pimoroni.com/products/phat-dac">Pimoroni PHAT DAC</a></li>
 			<li>cheap USB Wi-Fi adapter</li>
 			<li>ultra-cheap <a href="images/micro-usb-hub.jpg">Micro USB HUB with ethernet port</a></li>
 			<li>even cheaper <a href="http://www.penguin.cz/~utx/hardware/USB_Camera_AX2311/">USB webcam</a></li>
@@ -232,7 +232,7 @@ h2, h3 {
 		</p>
 		
 		<p>
-		After <a href="http://www.instructables.com/id/Multiroom-Client-With-Raspberry-Pi-ZERO-and-PHAT-D/?ALLSTEPS">soldering the PHAT DAC onto the Raspberri Pi</a> (preferably using a <a href="images/gpio-header.jpg">GPIO header</a> that directly routes through all the GPIOs) the used PINs are connected with the jumper cables. Where these were not soldered to the contact, I used hot glue to fix the connection which worked pretty well.
+		After <!-- http://www.instructables.com/id/Multiroom-Client-With-Raspberry-Pi-ZERO-and-PHAT-D/?ALLSTEPS --><a href="https://learn.pimoroni.com/tutorial/sandyj/soldering-phats">soldering the PHAT DAC onto the Raspberri Pi</a> (preferably using a <a href="images/gpio-header.jpg">GPIO header</a> that directly routes through all the GPIOs) the used PINs are connected with the jumper cables. Where these were not soldered to the contact, I used hot glue to fix the connection which worked pretty well.
 		</p>
 
 		<p class="gallery">