added proper quotes to metadata

Author: jhansson-ard

content/hardware/04.pro/carriers/portenta-breakout/tutorials/getting-started/content.md

@@ -1,9 +1,9 @@
 ---
-title: Getting Started With the Arduino Portenta Breakout
+title: 'Getting Started With the Arduino Portenta Breakout'
 difficulty: beginner
 tags: [Getting Started, Setup, PWM, Analog, I2C]
-description: This tutorial will give you an overview of the core features of the Portenta Breakout, setup the development environment and introduce the APIs required to program the board.
-author: "Manuel Zomer, Pablo Marquínez, Sebastian Romero"
+description: 'This tutorial will give you an overview of the core features of the Portenta Breakout, setup the development environment and introduce the APIs required to program the board.'
+author: 'Manuel Zomer, Pablo Marquínez, Sebastian Romero'
 ---
 
 ## Overview