diff --git a/tasmota/tasmota_ca.ino b/tasmota/tasmota_ca.ino
index e77ce541d..ce78760b6 100644
--- a/tasmota/tasmota_ca.ino
+++ b/tasmota/tasmota_ca.ino
@@ -86,7 +86,7 @@ static const br_x509_trust_anchor PROGMEM LetsEncryptR3_TA = {
 /*********************************************************************************************\
  * Amazon Root CA, RSA 2048 bits SHA 256, valid until 20380117
  *
- * https://letsencrypt.org/certificates/
+ * https://www.amazontrust.com/repository/
  * Downloaded from https://www.amazontrust.com/repository/AmazonRootCA1.pem
  *
  * to convert do: "bearssl ta AmazonRootCA1.pem"