diff --git a/lib/Crypto/PublicKey/ECC.py b/lib/Crypto/PublicKey/ECC.py
index 59e10163..840fadff 100644
--- a/lib/Crypto/PublicKey/ECC.py
+++ b/lib/Crypto/PublicKey/ECC.py
@@ -2045,6 +2045,13 @@ def import_key(encoded, passphrase=None, curve_name=None):
         * :func:`Crypto.Signature.eddsa.import_public_key`, or
         * :func:`Crypto.Signature.eddsa.import_private_key`.
 
+    .. note::
+
+        To import X25519 private and public keys, when encoded as raw ``bytes``, use:
+
+        * :func:`Crypto.Protocol.DH.import_x25519_public_key`, or
+        * :func:`Crypto.Signature.DH.import_x25519_private_key`.
+
     Returns:
       :class:`EccKey` : a new ECC key object