Merge pull request #541 from braxtonchristensen/fix/ch05/hint-for-exercise-3

fix(ch05): hint change

ch05.md

@@ -330,7 +330,7 @@ const averageDollarValue = (cars) => {
 
 {% exercise %}  
 Refactor `fastestCar` using `compose()` and other functions in pointfree-style. Hint, the  
-`flip` function may come in handy.  
+`append` function may come in handy.  
   
 {% initial src="./exercises/ch05/exercise_c.js#L4;" %}  
 ```js