diff --git a/exercises/concept/custom-signs/custom-signs.js b/exercises/concept/custom-signs/custom-signs.js
index 26d729bc9b..d9f5dad561 100644
--- a/exercises/concept/custom-signs/custom-signs.js
+++ b/exercises/concept/custom-signs/custom-signs.js
@@ -39,7 +39,7 @@ export function buildBirthdaySign(age) {
  */
 
 export function graduationFor(name, year) {
-  throw new Error('Implement the graduationForm function');
+  throw new Error('Implement the graduationFor function');
 }
 
 /**