diff --git a/docs/resources/custom_domain.md b/docs/resources/custom_domain.md
index 7871320f4..ea498f22e 100644
--- a/docs/resources/custom_domain.md
+++ b/docs/resources/custom_domain.md
@@ -52,6 +52,9 @@ Import is supported using the following syntax:
 ```shell
 # Custom domains can be imported using their ID.
 #
+# You can find existing custom domain IDs using the auth0 management api
+# https://auth0.com/docs/api/management/v2#!/Custom_Domains/get_custom_domains
+#
 # Example:
 terraform import auth0_custom_domain.my_custom_domain cd_XXXXXXXXXXXXXXXX
 ```