Update README.md

Co-authored-by: Luca Burelli <pil@iol.it>

Author: leonardocavagnis

README.md

@@ -208,7 +208,7 @@ This can also be performed via the "Burn bootloader" action in the IDE if the co
 
 After running the `bootstrap.sh` script, you can symlink the core to `$sketchbook/hardware/arduino-git/zephyr`. Once linked, it will appear in the IDE/CLI, and the board's Fully Qualified Board Name (FQBN) will be formatted as `arduino-git:zephyr:name_from_boards_txt`.
 
-Remember to also update the core from the Board Manager in the IDE to get the latest tools and dependencies. See section
+Remember to also install and/or update the officially published core in the IDE Board Manager to get the latest tools and dependencies. 
 [⚙️ Installation](#️-installation).
 
 ## 🚀 Adding a new target