diff --git a/subjects/unzipstring/README.md b/subjects/unzipstring/README.md
index 414dc930..eef36bb1 100644
--- a/subjects/unzipstring/README.md
+++ b/subjects/unzipstring/README.md
@@ -49,13 +49,13 @@ And its output :
 
 ```console
 $ go run .
-HHHHHaaaaaaaa
-pppiiiiiiWWW
-OOuuuuuHH
-ff
-Invalid Input
-Invalid Input
-Invalid Input
-Invalid Input
+$HHHHHaaaaaaaa
+$pppiiiiiiWWW
+$OOuuuuuHH
+$ff
+$Invalid Input
+$Invalid Input
+$Invalid Input
+$Invalid Input
 
 ```