Update part2a.md

Original text "results in an array containing the contents of the notes." is confusing because the variable is "result". When I saw "results in an array containing the contents of the notes.", I thought that the "results" was the variable "result" mis-spelled.

Author: shu1513

src/content/2/en/part2a.md

@@ -300,7 +300,7 @@ Changing the command to:
 const result = notes.map(note => note.content)
 ```
 
-results in an array containing the contents of the notes.
+will give you an array containing the contents of the notes.
 
 This is already pretty close to the React code we used: