Fixed MD syntax in HH2024 page.

Fixed the syntax error in the HH2024 Markdown file.
The website wouldn't build with Hugo 0.124 with this fix.

content/en/docs/Badges/Hackerhotel 2024/_index.md

@@ -34,7 +34,7 @@ First turn the badge by sliding the switch down on the left hand side or pluggin
 ### Using the input system
 The inputs consist of 5 switches located at the bottom of the badge, each having 3 actions: rotate left, rotate right and press in. The effect of those actions is often described by the boxes at the bottom of the screen.
 
-If you enter the typing mode, the device then function as a [Cooke & Wheatstone telegraph]([url](https://en.wikipedia.org/wiki/Cooke_and_Wheatstone_telegraph#Operation)): Each switch represent one of the needles, and the led line shows the needle orientation. when 2 needles point towards the same letter, it is registered.
+If you enter the typing mode, the device then functions as a [Cooke & Wheatstone telegraph](https://en.wikipedia.org/wiki/Cooke_and_Wheatstone_telegraph#Operation): Each switch represent one of the needles, and the led line shows the needle orientation. when 2 needles point towards the same letter, it is registered.
 
 <a href="http://www.youtube.com/watch?feature=player_embedded&v=OJWbZAmNXz4" target="_blank">
  <img src="badge2.jpg" alt="Watch the video" width="40%" border="10" />