diff --git a/common/js/helpers.ts b/common/js/helpers.ts
index d304c4c..0289b22 100644
--- a/common/js/helpers.ts
+++ b/common/js/helpers.ts
@@ -18,7 +18,7 @@ export function randomStr(numChars: number): string {
 }
 
 /**
- * @returns null account already has enough rent
+ * @returns null if account already has enough lamports to meet rent exemption
  */
 export async function getReachMinRentTx(
   connection: Connection,