Update README.md

subjects/binaryaddition/README.md

@@ -3,8 +3,8 @@
 ### Instructions
 
 Write a function named `BinaryAddition(int,int)` that takes two integers and returns the sum of the two in binary in an array of `int`.
-- If the sum is negative return `nil` value.
+- If one of the integers is negative return `nil`
-- convert the argument to binary then add the two binary numbers together
+- Convert the argument to binary then add the two binary numbers together
 
 ### Expected function 
 ```go
@@ -29,7 +29,7 @@ func main(){
 	fmt.Println(BinaryAddition(1, 3))
 	fmt.Println(BinaryAddition(2, 1))
 	fmt.Println(BinaryAddition(2, 2))
-	fmt.Println(BinaryAddition(2, 3))
+	fmt.Println(BinaryAddition(1, 16))
 }
 ```
 
@@ -43,4 +43,5 @@ $ go run .
 [0 1 1]
 [1 0 0]
 [1 0 1]
+[1 0 0 0 0]
 ```