As I understand, this is how you initialize it currently.

```
type Animal = struct {
        id: uint
};

type Dog = struct {
        base: Animal,
        legs: u8
};

export fn main() void = {
        let dog = Dog {

Signed-off-by: Maurice Huuskes <mahuuskes@runic.eu>
---
 content/tutorials/introduction.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/content/tutorials/introduction.md b/content/tutorials/introduction.md
index ce9f07f..c2055ad 100644
--- a/content/tutorials/introduction.md
+++ b/content/tutorials/introduction.md
@@ -1684,7 +1684,7 @@ sections:
      };
   details: |
      The functions we have written so far have a *fixed arity*. Functions taking
-     one arguments are *unary*, two arguments *binary*, three arguments
[message trimmed]