diff --git a/i2p2www/spec/tunnel-creation-ecies.rst b/i2p2www/spec/tunnel-creation-ecies.rst
index 98dd571c64ca1b11d8d762350e6dd57925ad93e2..71a55d572045763750f6e5940f5152a7e46354e0 100644
--- a/i2p2www/spec/tunnel-creation-ecies.rst
+++ b/i2p2www/spec/tunnel-creation-ecies.rst
@@ -792,9 +792,7 @@ keydata = HKDF(ck, ZEROLEN, "SMTunnelReplyKey", 64)
   replyKey = keydata[32:63]
   ck = keydata[0:31]
 
-  Layer key:
-  Layer key is always AES for now, but same KDF can be used from Chacha20
-
+  AES Layer key:
   keydata = HKDF(ck, ZEROLEN, "SMTunnelLayerKey", 64)
   layerKey = keydata[32:63]
 
@@ -815,6 +813,9 @@ keydata = HKDF(ck, ZEROLEN, "SMTunnelReplyKey", 64)
 
 {% endhighlight %}
 
+Note: The KDF for the IV key at the OBEP is different from that for the other hops,
+even if the reply is not garlic encrypted.
+
 
 Record Encryption
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