fixing a bunch of snippets

docs/about.md

@@ -6,14 +6,14 @@ Welcome to the **Microsoft MakeCode** editor for the **@boardname@**!
 
 You can program the @boardname@ using [Blocks](/blocks) or [JavaScript](/javascript) in your web browser:
 
-```block
-input.buttonA.onEvent(ButtonEvent.Click, () => {
-    light.showRing(`blue blue blue blue blue blue blue blue blue blue`)
+```blocks
+brick.buttonEnter.onEvent(ButtonEvent.Click, () => {
+    motors.largeA.setSpeed(50)
 })
 ```
 ```typescript
-input.buttonA.onEvent(ButtonEvent.Click, () => {
-    light.showRing(`blue blue blue blue blue blue blue blue blue blue`)
+brick.buttonEnter.onEvent(ButtonEvent.Click, () => {
+    motors.largeA.setSpeed(50)
 })
 ```
 
@@ -22,10 +22,10 @@ The editor work in [most modern browsers](/browsers), work [offline](/offline) o
 ## [Compile and Flash: Your Program!](/device/usb)
 
 When you have your code ready, you connect your @boardname@ to a computer via a USB cable 
-**then press the reset button** so it appears as a mounted drive (named **CPLAYBOOT**). 
+so it appears as a mounted drive (named **EV3**). 
 
 Compilation to machine code from [Blocks](/blocks) or [JavaScript](/javascript) happens in the browser. You save the binary 
-program to a **.uf2** file, which you then copy to the **CPLAYBOOT** drive, which flashes the device with the new program.
+program to a **.uf2** file, which you then copy to the **EV3** drive, which flashes the device with the new program.
 
 ## Simulator: Test Your Code
 
@@ -33,11 +33,7 @@ You can run your code using the micro:bit simulator, all within the confines of
 The simulator has support for the LED screen, buttons, as well as compass, accelerometer, and digital I/O pins.
 
 ```sim
-loops.forever(() => {
-    light.pixels.showAnimation(light.animation(LightAnimation.Rainbow), 1000)
+brick.buttonEnter.onEvent(ButtonEvent.Click, () => {
+    motors.largeA.setSpeed(50)
 })
 ```
-
-```package
-light
-```