tracks/lua/exercises/flatten-array/README.md in trackler-2.2.1.47 vs tracks/lua/exercises/flatten-array/README.md in trackler-2.2.1.48

@@ -1,16 +1,15 @@
 # Flatten Array
 
 Take a nested list and return a single flattened list with all values except nil/null.
 
 The challenge is to write a function that accepts an arbitrarily-deep nested list-like structure and returns a flattened structure without any nil/null values.
- 
+
 For Example
 
 input: [1,[2,3,null,4],[null],5]
 
 output: [1,2,3,4,5]
-
 
 ## Running the tests
 
 To run the tests, run the command `busted .` from within the exercise directory.