little coma missing

Author: g-castronovo

content/hardware/08.edu/solution-and-kits/alvik/tutorials/user-manual/user-manual.md

@@ -4,7 +4,7 @@ difficulty: beginner
 description: "Discover how to use and program Arduino® Alvik's robot"
 tags:
   - Robot
-author: "Paolo Cavagnolo Pedro Miguel"
+author: "Paolo Cavagnolo, Pedro Miguel"
 ---
 
 ## Introduction
@@ -1624,4 +1624,4 @@ If you need further assistance, you can find support through the following chann
 - [Arduino Forum](https://forum.arduino.cc/)
 - [Arduino Contact Us Form](https://www.arduino.cc/en/contact-us)
 
-For more detailed support, you can also reach out to the Arduino Help Center.
+For more detailed support, you can also reach out to the Arduino Help Center.