diff --git a/liftoff_day4.md b/liftoff_day4.md
index 257a1a168e17659f375fa7274583d6f2926d5b39..55f2a90eeebefacbc35d2cce2db4ff67247c9ea2 100644
--- a/liftoff_day4.md
+++ b/liftoff_day4.md
@@ -28,10 +28,10 @@ Hier findest du ein paar Überlegungen, die alle ganz unterschiedlich sind. Oder
  <br>
  <div style="display: flex; flex-wrap: wrap; min-width: 100%; align-content: space-between; justify-content: center; color: #FFFFFF; text-decoration: none;">
  	<div style="background-color:#276235; border-radius: 10px; margin-bottom: 1%; margin-right: 5px; min-height: 2em; max-width: 50%; position: relative; padding: 5px; text-align: center;"><a href="{{ site.url }}/nobreakspace/liftoff/second_medien/" style="color: #FFFFFF; text-decoration: none;">Was mit Medien</a></div>
- 	 <div style="background-color:#276235; border-radius: 10px; margin-bottom: 1%; margin-right: 5px; min-height: 2em; max-width: 50%; position: relative; padding: 5px; text-align: center;"><a href="{{ site.url }}/nobreakspace/liftoff/second_microcontoller/"  style="color: #FFFFFF; text-decoration: none;">LWas mit Microcontroler</a></div>
+ 	 <div style="background-color:#276235; border-radius: 10px; margin-bottom: 1%; margin-right: 5px; min-height: 2em; max-width: 50%; position: relative; padding: 5px; text-align: center;"><a href="{{ site.url }}/nobreakspace/liftoff/second_microcontoller/"  style="color: #FFFFFF; text-decoration: none;">Was mit Microcontroler</a></div>
  	 <div style="background-color:#276235; border-radius: 10px; margin-bottom: 1%; margin-right: 5px; min-height: 2em; max-width: 50%; position: relative; padding: 5px; text-align: center;"><a href="{{ site.url }}/nobreakspace/liftoff/second_programmable/"  style="color: #FFFFFF; text-decoration: none;">Was mit APIs</a></div>
  	  <div style="background-color:#276235; border-radius: 10px; margin-bottom: 1%; margin-right: 5px; min-height: 2em; max-width: 50%; position: relative; padding: 5px; text-align: center;"><a href="{{ site.url }}"  style="color: #FFFFFF; text-decoration: none;">Was mit der Geselschaft?</a></div>
-  	 <div style="background-color:#276235; border-radius: 10px; margin-bottom: 1%; margin-right: 5px; min-height: 2em; max-width: 50%; position: relative; padding: 5px; text-align: center;"><a href="{{ site.url }}"  style="color: #FFFFFF; text-decoration: none;">Was ganz anderes?<</a></div>
+  	 <div style="background-color:#276235; border-radius: 10px; margin-bottom: 1%; margin-right: 5px; min-height: 2em; max-width: 50%; position: relative; padding: 5px; text-align: center;"><a href="{{ site.url }}"  style="color: #FFFFFF; text-decoration: none;">Was ganz anderes?</a></div>
  </div>
 </div>