Fix quiz

Author: Zaprogramiacz

assets/quizzes/imperative_functional_frp.md

@@ -74,4 +74,4 @@ print(value)
 1. [x] No, it mutates state by reassigning a mutable variable
 1. [ ] No, it mutates the "value" variable inside the increment function
 
-{{< /quizdown >}}
+{{< /quizdown >}}