diff --git a/services/web/app/src/Features/Subscription/PlansLocator.js b/services/web/app/src/Features/Subscription/PlansLocator.js
index 98bb5ddf7a..b23414aaf7 100644
--- a/services/web/app/src/Features/Subscription/PlansLocator.js
+++ b/services/web/app/src/Features/Subscription/PlansLocator.js
@@ -118,7 +118,7 @@ const recurlyPlanCodeToPlanTypeAndPeriod = {
 
 /**
  * @param {RecurlyPlanCode} recurlyPlanCode
- * @returns {PlanTypeAndPeriod}
+ * @returns {PlanTypeAndPeriod | undefined}
  */
 function getPlanTypeAndPeriodFromRecurlyPlanCode(recurlyPlanCode) {
   return recurlyPlanCodeToPlanTypeAndPeriod[recurlyPlanCode]