diff --git a/src/consts/currency.js b/src/consts/currency.js
index 1907a053..44d9f34e 100644
--- a/src/consts/currency.js
+++ b/src/consts/currency.js
@@ -1,3 +1,4 @@
+// ISO 4217
 const allCurrencies = [
     'AED', //UAE Dirham
     'AFN', //Afghani