docs updates

docs/getting-started/buttons.md

@@ -17,7 +17,7 @@ input.onButtonPressed(Button.A, () => {
 
 #### ~hint
 
-The ``showString`` block can show letters, numbers, and punctuation
+The `[basic.showString("HI")]` block can show letters, numbers, and punctuation
 on the @boardname@ screen.
 
 #### ~
@@ -33,7 +33,7 @@ input.onButtonPressed(Button.B, () => {
 #### ~hint
 
 You can find the letter `B` by clicking the letter `A` on the
-``onButtonPressed`` block.
+`[input.onButtonPressed(Button.A, () => {})]` block.
 
 #### ~
 

docs/getting-started/coin-flipper.md

@@ -23,8 +23,8 @@ input.onButtonPressed(Button.B, () => {
 ```
 ### ~hint
 
-The ``pick random true or false`` block randomly tells the ``if``
-block `true` or `false`.  If the ``pick`` block picked `true`, the
+The `[Math.randomBoolean()]` block randomly tells the ``if``
+block `true` or `false`.  If value picked is `true`, the
 ``if`` block shows the letter `H`. Otherwise, it shows the letter `T`.
 
 That's it!

docs/getting-started/screen.md

@@ -9,7 +9,7 @@ There are 25 bright LEDs on the @boardname@ screen. Let's use them to create som
 ### Happy unhappy face
 
 Draw an unhappy face instead of the blank screen.  Click on the dots
-in the second ``show leds`` block until it matches the blocks below.
+in the second `[basic.showLeds("")]` block until it matches the blocks below.
 Now you have an **animation** (cartoon) that shows a happy face,
 then an unhappy one, then a happy one again, forever (or until
 you turn off your @boardname@)!
@@ -36,7 +36,7 @@ Click **Download** to move your program to the @boardname@!
 
 ### Your turn!
 
-Pile up more ``show leds`` blocks to create an animation! Create an
+Pile up more `[basic.showLeds("")]` blocks to create an animation! Create an
 animation with at least 5 pictures.  What does this animation show?
 
 ```blocks
@@ -87,12 +87,6 @@ basic.forever(() => {
 ```
 Click **Download** to move your program to the @boardname@!
 
-#### ~hint
-
-You can find the ``show leds`` block in the **Basic** part of the editor.
-
-#### ~
-
 ### ~button /getting-started/buttons
 NEXT: BUTTONS
 ### ~