typo fix

docs/projects/microcontroller.md

@@ -19,7 +19,7 @@ You will find demo projects using the micro:bit installed by default in Paper Pl
 
 ## Walkthroughs
 
-1. For a complete walkthrough using the micro:bit microcontroller, see the published [Instructable] (<https://www.instructables.com/Microbit-and-Paper-Playground-Integration-for-Enha/>) or [Hackster.io project](https://www.hackster.io/brfi7385/micro-bit-and-paper-playground-tangible-virtual-interfaces-184685).
+1. For a complete walkthrough using the micro:bit microcontroller, see the published [Instructable](<https://www.instructables.com/Microbit-and-Paper-Playground-Integration-for-Enha/>) or [Hackster.io project](https://www.hackster.io/brfi7385/micro-bit-and-paper-playground-tangible-virtual-interfaces-184685).
 
 2. This [Instructable](https://www.instructables.com/Random-Servo-Position-With-Microbit-and-Paper-Play/) will show you how to create a random spinner dial using a 180-servo, micro:bit, and a Paper Playground program. Paper Playground is an open-source system that enables you to design tangible, multimodal experiences using your computer's web browser, a webcam, and printed pieces of paper. [This particular example does not require a webcam and printer].