diff --git a/website/integrations/sources/apple/index.md b/website/integrations/sources/apple/index.md
index 05853ed7a..b2bb465e1 100644
--- a/website/integrations/sources/apple/index.md
+++ b/website/integrations/sources/apple/index.md
@@ -9,7 +9,11 @@ Allows users to authenticate using their Apple ID.
 ## Preparation
 
 :::warning
-An Apple developer account is required for this.
+An Apple developer account is required.
+:::
+
+:::warning
+Apple mandates the use of a [registered TLD](https://en.wikipedia.org/wiki/List_of_Internet_top-level_domains), as such this source will not work with .local and other non-public TLDs.
 :::
 
 The following placeholders will be used: