Fix typo

Author: PedroChaps

src/ch05-03-method-syntax.md

@@ -38,7 +38,7 @@ The `&self` is actually short for `self: &Self`. Within an `impl` block, the
 type `Self` is an alias for the type that the `impl` block is for. Methods must
 have a parameter named `self` of type `Self` for their first parameter, so Rust
 lets you abbreviate this with only the name `self` in the first parameter spot.
-Note that we still need to use the `&` in front of the `self` shorthand to
+Note that we still need to use the `&` behind the `self` shorthand to
 indicate that this method borrows the `Self` instance, just as we did in
 `rectangle: &Rectangle`. Methods can take ownership of `self`, borrow `self`
 immutably, as we’ve done here, or borrow `self` mutably, just as they can any