diff --git a/subjects/ascii/README.md b/subjects/ascii/README.md
index 988d89fe..75301600 100644
--- a/subjects/ascii/README.md
+++ b/subjects/ascii/README.md
@@ -2,7 +2,7 @@
 
 ### Instructions
 
-Write a function that receives a string and returns a slice with the ASCII values of its characters.
+Write a function that receives a string and returns a slice with the ASCII values of its characters. If the string is empty it should return an empty slice.
 
 ### Expected function