Update essentials.md

Author: karlsoderby

content/hardware/03.nano/boards/nano-33-ble-rev2/essentials.md

@@ -1,7 +1,7 @@
 <EssentialsColumn title="First Steps">
   <EssentialElement title="Quickstart Guide" type="getting-started" link="/software/ide-v2/tutorials/ide-v2-board-manager">
     All you need to know to get started with your new Arduino board.
-  </EssentialElement>
+</EssentialElement>
 
   <EssentialElement title="Nano Hardware Design Guide" type="tutorial" link="/learn/hardware/nano-pcb-guide">
     Learn how to create your own custom hardware that is compatible with the Arduino Nano Family.