a few format fixes

docs/courses/csintro/conditionals/project.md

@@ -70,7 +70,7 @@ input.onGesture(Gesture.Shake, () => {
 ```
 Solution link: [https://makecode.microbit.org/_0fx9hY9EbM5T]()
 
-### ~ Bonus
+### Bonus
 
 The micro:bit uses its accelerometer to detect when you're shaking it. How does an accelerometer actually work?
 

docs/courses/csintro/variables/activity.md

@@ -16,7 +16,8 @@ In MakeCode, from the Variables menu, make and name these three variables: `Play
 
 ![Set new variable name](/static/courses/csintro/variables/new-variable.png)
 
-## Initializing the variable value 
+## Initializing the variable value
+
 It is important to give your variables an initial value. The initial value is the value the variable will hold each time the program starts. For our counter program, we will give each variable the value 0 (zero) at the start of the program.
 
 ```blocks
@@ -70,7 +71,9 @@ input.onButtonPressed(Button.AB, () => {
    PlayersTie += 1
 })
 ```
+
 ## User feedback
+
 Whenever the scorekeeper presses button A, button B, or both buttons together, we will give the user visual feedback acknowledging that the user pressed a button. We can do this by coding our program to display:
 
 * an ‘A’ each time the user presses button A to record a win for Player A, 
@@ -199,7 +202,7 @@ PlayerBWins = 0
 PlayersTie = 0
 ```
 
-### ~ Hint
+### ~ hint
 
 Buttons have been used as human input devices since computers first existed. Watch this video and see how they let the user tell the micro:bit to do something.
 
@@ -208,9 +211,11 @@ Buttons have been used as human input devices since computers first existed. Wat
 ### ~
 
 ## Try it out!
+
 Download the Scorekeeper program to the micro:bit, and find someone to play *Rock, Paper, Scissors* with you using your micro:bit to act as the Scorekeeper!
 
-## ‘Adding’ on with mathematical operations
+## 'Adding' on with mathematical operations
+
 There is more we can do with the input we received using this program. We can use mathematical operations on our variables.
 
 Example: Perhaps you’d like to keep track of, and show the player the total number of ‘rounds’ that were played. To do this, we can add the values stored in the variables we created to keep track of how many times each player won and how many times they tied.
@@ -227,6 +232,7 @@ In order to do this, we can add the code to our program under the 'on shake' eve
 ![Operator selector](/static/courses/csintro/variables/operator-selector.png)
 
 * Replace the default values of zero with the names of the variables we want to add together.
+
 Notice that because we are adding three variables together we need a second math block. First we add the values for `PlayerAWins` and `PlayerBWins`, then add `PlayersTie`.
 
 ```blocks
@@ -255,9 +261,7 @@ Examples:
 Questions:
 
 1. What's the difference between a constant and a variable?
-
 2. Why is it important to name variables in a clear and meaningful way?
-
 3. **True or false:** You can only use the default variable names provided in the Variables toolbox drawer.
 
 Answers: