diff --git a/.github/FUNDING.yml b/.github/FUNDING.yml
index 9ff1549..3123f23 100644
--- a/.github/FUNDING.yml
+++ b/.github/FUNDING.yml
@@ -1,2 +1,2 @@
 github: ["h4kuna"]
-custom: ["https://revolut.me/milan2m/czk1000/library"]
+custom: ["https://revolut.me/milan2m/czk1000/exchange"]
diff --git a/src/Exchange.php b/src/Exchange.php
index f19e204..e7deaa5 100644
--- a/src/Exchange.php
+++ b/src/Exchange.php
@@ -49,6 +49,7 @@ public function modify(?string $to = null, ?string $from = null, ?CacheEntity $c
 			$exchange->ratingList = $this->ratingList->modify($cacheEntity);
 		}
 
+		// add currency code instead of Property, because load new data from cache
 		$exchange->setFrom($from ?? $this->from->code);
 		$exchange->setTo($to ?? $this->to->code);