diff --git a/solutions/variables.md b/solutions/variables.md
index d3543de..eae4f6d 100644
--- a/solutions/variables.md
+++ b/solutions/variables.md
@@ -82,14 +82,16 @@ fn main() {
 fn main() {
     let mut x: i32 = 1;
     x = 7;
-    // shadowing and re-binding
-    let x = x;
-    // x += 3;
+    // Shadowing and re-binding
+    let mut x = x; 
+    x += 3;
 
 
     let y = 4;
-    // shadowing
-    let y = "I can also be bound to text!";
+    // Shadowing
+    let y = "I can also be bound to text!"; 
+
+    println!("Success!");
 }
 ```