diff --git a/.github/FUNDING.yml b/.github/FUNDING.yml
index 0e61c15..0af8959 100644
--- a/.github/FUNDING.yml
+++ b/.github/FUNDING.yml
@@ -1,2 +1,3 @@
 custom:
-  - https://www.amazon.com/API-Sergey-Konstantinov-ebook/dp/B09RHH44S5/ref=sr_1_1
+  - https://www.amazon.com/gp/product/B09RHH44S5/
+  - http://books.apple.com/us/book/id6467567700