docs(sliceRemove): fix subject

- fixed incorrect output
- fix grammar
- fix identation

subjects/sliceremove/README.md

@@ -2,8 +2,8 @@
 
 ### Instructions
 
-- Write a function that takes a slice of integers and int and removes any number in the slice that is equal to the int then returns the slice
-- If the slice is empty, return the slice itself
+Write a function that takes a slice of integers and an `int` as arguments, if the given `int` exists in the slice then remove it, otherwise return the slice.
+- If the slice is empty, return the slice itself.
 
 ### Expected function
 
@@ -15,25 +15,27 @@ func SliceRemove(slice []int , num int) []int {
 
 ### Usage
 
-Here is a possible program to test your function :
+Here is a possible program to test your function:
 
 ```go
 package main
 
 import (
 	"fmt"
+
+	"piscine"
 )
 
 func main() {
-	fmt.Println(SliceRemove([]int{1, 2, 3},2))
-	fmt.Println(SliceRemove([]int{4,3}, 4))
+	fmt.Println(piscine.SliceRemove([]int{1, 2, 3}, 2))
+	fmt.Println(piscine.SliceRemove([]int{4, 3}, 4))
 }
 ```
 
-And its output :
+And its output:
 
 ```console
 $ go run .
-[1 3 4]
-[4]
+[1 3]
+[3]
 ```