diff --git a/06-wai-aria/exercise/src/App.solution.js b/06-wai-aria/exercise/src/App.solution.js
index 163b80c..a966b9c 100644
--- a/06-wai-aria/exercise/src/App.solution.js
+++ b/06-wai-aria/exercise/src/App.solution.js
@@ -9,7 +9,7 @@ https://www.w3.org/TR/wai-aria-practices-1.1/examples/radio/radio-1/radio-1.html
   - Tip: you can figure out the next value with React.Children.forEach(fn),
     or React.Children.toArray(children).reduce(fn)
 - Move the focus in cDU to the newly selected item
-  - Tip: do it in RadioOption not RadioGroup
+  - Tip: do it in RadioButton not RadioGroup
   - Tip: you'll need a ref
 - Add the aria attributes
   - radiogroup
diff --git a/06-wai-aria/exercise/src/App.start.js b/06-wai-aria/exercise/src/App.start.js
index 090c070..5b6dd93 100644
--- a/06-wai-aria/exercise/src/App.start.js
+++ b/06-wai-aria/exercise/src/App.start.js
@@ -9,7 +9,7 @@ https://www.w3.org/TR/wai-aria-practices-1.1/examples/radio/radio-1/radio-1.html
   - Tip: you can figure out the next value with React.Children.forEach(fn),
     or React.Children.toArray(children).reduce(fn)
 - Move the focus in cDU to the newly selected item
-  - Tip: do it in RadioOption not RadioGroup
+  - Tip: do it in RadioButton not RadioGroup
   - Tip: you'll need a ref
 - Add the aria attributes
   - radiogroup