Correcting Vowels-Index subject

subjects/vowels-index/README.md

@@ -1,9 +1,9 @@
-# vowels-index
+## vowels-index
 
 ### Instructions
 
-- Write a function that takes one argument of type string and returns an array of intergers containing the index of the vowels in the string.
-- vowels : [a,i ,e ,u o]
+Write a function that takes one argument of type string and returns an array of integers containing the index of the vowels in the string.
+- vowels: a, e, i, o, u]
 
 ### Expected function
 
@@ -13,6 +13,7 @@ func VowelsIndex(str string) []int {
 ```
 ### Usage
 
+Here is a possible program to test your function
 ```go
 package main
 
@@ -30,7 +31,6 @@ func main() {
 ```
 And its output :
 ```console
-
 $ go run .  | cat -e
 1$
 4$