diff --git a/subjects/vowels-index/README.md b/subjects/vowels-index/README.md
index f56679248..01ab493a8 100644
--- a/subjects/vowels-index/README.md
+++ b/subjects/vowels-index/README.md
@@ -14,6 +14,7 @@ func VowelsIndex(str string) []int {
 ### Usage
 
 Here is a possible program to test your function
+
 ```go
 package main