diff --git a/subjects/isthesquareachild/README.md b/subjects/isthesquareachild/README.md
index 7e6dee3d6..80599e0bd 100644
--- a/subjects/isthesquareachild/README.md
+++ b/subjects/isthesquareachild/README.md
@@ -30,6 +30,7 @@ func main(){
     fmt.Println(IsTheSquareAChild(6, 36))
     fmt.Println(IsTheSquareAChild(-10, 100))
     fmt.Println(IsTheSquareAChild(100,10))
+    fmt.Println(IsTheSquareAChild(8, -64))
 }
 ```
 
@@ -44,5 +45,6 @@ false
 true
 false
 false
+false
 ```