docs: fix constraints to morphs intro transition wording

ark/docs/src/content/docs/intro/adding-constraints.mdx

@@ -129,6 +129,6 @@ if (out instanceof type.errors) {
 
 You now know how to refine your types to enforce additional constraints at runtime (see the full list [here](/reference/constraints)).
 
-Once your input is fully validated, you still need to make some adjustments before it's ready to use in your code?
+But what if once your input is fully validated, you still need to make some adjustments before it's ready to use?
 
 The final section of intro will cover **morphs**, an extremely powerful tool for composing and transforming Types.