diff --git a/curriculum/challenges/english/blocks/workshop-type-safe-math-toolkit/699f4b903bf5427a599f791d.md b/curriculum/challenges/english/blocks/workshop-type-safe-math-toolkit/699f4b903bf5427a599f791d.md
index d1c75d9f61b..1fd06ca8dfa 100644
--- a/curriculum/challenges/english/blocks/workshop-type-safe-math-toolkit/699f4b903bf5427a599f791d.md
+++ b/curriculum/challenges/english/blocks/workshop-type-safe-math-toolkit/699f4b903bf5427a599f791d.md
@@ -24,7 +24,7 @@ Your `raiseTo` function should have two parameters, `base` and `exponent`.
 ```js
 assert.match(
   code,
-   /function\s+raiseTo\s*\(\s*base\s*(?::\s*number)?\s*,\s*exponent\s*(?::\s*number)?\s*\)\s*|(?:const|let)\s+raiseTo\s*=\s*\(\s*base\s*(?::\s*number)?\s*,\s*exponent\s*(?::\s*number)?\s*\)\s*=>/
+   /function\s+raiseTo\s*\(\s*base\s*(?::\s*number)?\s*,\s*exponent\s*(?::\s*number)?\s*\)\s*|(?:const|let)\s+raiseTo\s*=\s*\(\s*base\s*(?::\s*number)?\s*,\s*exponent\s*(?::\s*number)?\s*\)\s*(?::\s*\w+\s*)?\s*=>/
 );
 ```