Merge branch 'main' of github.com:Pioreactor/pico-build

* 'main' of github.com:Pioreactor/pico-build:
  Update README.md

README.md

@@ -4,7 +4,7 @@
 This repo is the source code, and provides instructions, for building the .elf file that is loaded to the RP2040 chip (its RAM) on the Pioreactor HAT.
 
 
-### Building
+### Building on a Raspberry Pi
 
  - on a Raspberry Pi, follow the setup instructions in Chapter 1. Quick Pico Setup of [the datasheet](https://datasheets.raspberrypi.com/pico/getting-started-with-pico.pdf).
  - `mkdir ~/pico/pico-examples/pioreactor && cd ~/pico/pico-examples/pioreactor`
@@ -37,4 +37,4 @@ To read the 16-bit ADC value of the ADC channel corresponding to address 4, you
 Note that the -y flag is used to automatically answer yes to any prompt from i2cset or i2cget.
 The 1 after the -y flag specifies the i2c bus number to use, and the 0x30 specifies the i2c address of the peripheral.
 The 0 and w in the i2cset and i2cget commands, respectively, specify the starting register address to be accessed.
-The 4 in the i2cget command specifies the address of the ADC channel to read.
+The 4 in the i2cget command specifies the address of the ADC channel to read.