Capitalize 'Hint'-subtitles

leapYears/README.md

@@ -10,5 +10,5 @@ leapYears(1985) // is not a leap year: returns false
 ```
 
 
-## hints
+## Hints
 - use an `if` statement and `&&` to make sure all the conditions are met properly

removeFromArray/README.md

@@ -8,7 +8,7 @@ remove([1,2,3,4], 3) // should remove 3 and return [1,2,4]
 
 
 
-## hints
+## Hints
 the first test on this one is fairly easy, but there are a few things to think about(or google) here for the later tests:
 - how to remove a single element from an array
 - how to deal with multiple optional arguments in a javascript function

reverseString/README.md

@@ -11,5 +11,5 @@ You will notice in this exercise that there are multiple tests, after making the
 
 
 
-## hints
+## Hints
 Strings in JavaScript cannot be reversed directly so you're going to have to split it into something else first.. do the reversal and then join it back together into a string.

sumAll/README.md

@@ -7,7 +7,7 @@ sumAll(1, 4) // returns the sum of 1 + 2 + 3 + 4 which is 10
 ```
 
 
-## hints
+## Hints
 
 Think about how you would do this on pen and paper and then how you might translate that process into code:
 - create a variable to hold the final sum

tempConversion/README.md

@@ -11,7 +11,7 @@ Because we are human, we want the result temperature to be rounded to one decima
 
 This exercise asks you to create more than one function so the `module.exports` section of the spec file looks a little different this time.  Nothing to worry about, we're just packaging both functions into a single object to be exported.
 
-## hints
+## Hints
 - You can find the relevant formulae on [Wikipedia](https://en.wikipedia.org/wiki/Conversion_of_units_of_temperature).
 
 - Try to find by yourself on the Internet how to round a number to 1 decimal place in JavaScript. If you struggle, have a look [here](https://stackoverflow.com/q/7342957/5433628).