Update src/pages/blog/2024-09-18-codegen.mdx

Co-authored-by: Benjie <[email protected]>

Author: martinbonnin

src/pages/blog/2024-09-18-codegen.mdx

@@ -155,7 +155,7 @@ With this `GetProductData_products` type:
 
 * `name` is not present in the generated type because it was not queried.
 * `id` is not-nullable, as intended. A product always has an `id`.
-* `price` is nullable, as intended. If `null`, it means the product doesn't have a price.
+* `description` and `price` are nullable, as intended. If `null`, it means the product doesn't have a description/price.
 
 This is what we expected!