Code review change request

Author: aviad-dev

src/scope/lifetime/explicit.md

@@ -43,7 +43,7 @@ fn failed_borrow<'a>() {
     let _y: &'a i32 = &_x;
     // Attempting to use the lifetime `'a` as an explicit type annotation 
     // inside the function will fail because the lifetime of `&_x` is shorter
-    // than that of `y`. A short lifetime cannot be coerced into a longer one.
+    // than that of `_y`. A short lifetime cannot be coerced into a longer one.
 }
 
 fn main() {