diff --git a/curriculum/challenges/english/25-front-end-development/lab-checkout-page/66da326c02141df538f29ba5.md b/curriculum/challenges/english/25-front-end-development/lab-checkout-page/66da326c02141df538f29ba5.md
index f91093eb706..f512349111a 100644
--- a/curriculum/challenges/english/25-front-end-development/lab-checkout-page/66da326c02141df538f29ba5.md
+++ b/curriculum/challenges/english/25-front-end-development/lab-checkout-page/66da326c02141df538f29ba5.md
@@ -21,7 +21,7 @@ Fulfill the user stories below and get all the tests to pass to complete the lab
 1. You should have an input with an `id` and `name` of `card-name` within your form and a `label` associated with it.
 1. You should have an input with an `id` and `name` of `card-number` within your form and a `label` associated with it.
 1. At least two of your input elements should be required and have an `aria-required` attribute set to `true`.
-1. You should use `tab-index` at least once.
+1. You should use `tabindex` at least once.
 
 # --hints--