Typo fix

Author: valeros

README.md

@@ -2,7 +2,7 @@
 
 [![Build Status](https://github.com/platformio/platform-raspberrypi/workflows/Examples/badge.svg)](https://github.com/platformio/platform-raspberrypi/actions)
 
-RP2040 is a low-cost, high-performance microcontroller device with with a large on-chip memory, symmetric dual-core processor complex, deterministic bus fabric, and rich peripheral set augmented with a unique Programmable I/O (PIO) subsystem, it provides professional users with unrivalled power and flexibility.
+RP2040 is a low-cost, high-performance microcontroller device with a large on-chip memory, symmetric dual-core processor complex, deterministic bus fabric, and rich peripheral set augmented with a unique Programmable I/O (PIO) subsystem, it provides professional users with unrivalled power and flexibility.
 
 * [Home](http://platformio.org/platforms/raspberrypi) (home page in PlatformIO Platform Registry)
 * [Documentation](http://docs.platformio.org/page/platforms/raspberrypi.html) (advanced usage, packages, boards, frameworks, etc.)