message: typo in array example
  misplaced ']'
diff: @@ -293,7 +293,7 @@ When an array variable is passed by itself, it will coerced into a string.
  Brace expansions actually create a vector of values under the hood, and thus they can be used to create an array.
  ```ion
  -let braced_array = [ ]{down,up}vote ]
  +let braced_array = [ {down,up}vote ]
  ```
  #### Array-based Command Substitution
  