diff --git a/xep.ent b/xep.ent
index 76d37dab..f3b932eb 100644
--- a/xep.ent
+++ b/xep.ent
@@ -345,6 +345,10 @@ THE SOFTWARE.
 <!ENTITY ssl "<span class='ref'><link url='http://wp.netscape.com/eng/ssl3/draft302.txt'>SSL</link></span> <note>SSL V3.0 &lt;<link url='http://wp.netscape.com/eng/ssl3/draft302.txt'>http://wp.netscape.com/eng/ssl3/draft302.txt</link>&gt;.</note>" >
 <!ENTITY twofish "<span class='ref'><link url='http://www.schneier.com/twofish.html'>Twofish</link></span> <note>The Twofish Block Cipher &lt;<link url='http://www.schneier.com/twofish.html'>http://www.schneier.com/twofish.html</link>&gt;.</note>" >
 <!ENTITY whirlpool "<span class='ref'><link url='http://paginas.terra.com.br/informatica/paulobarreto/WhirlpoolPage.html'>Whirlpool</link></span> <note>The Whirlpool Hash Function &lt;<link url='http://paginas.terra.com.br/informatica/paulobarreto/WhirlpoolPage.html'>http://paginas.terra.com.br/informatica/paulobarreto/WhirlpoolPage.html</link>&gt;.</note>" >
+<!ENTITY olm "<span class='ref'><link url='https://matrix.org/docs/spec/olm.html'>Olm</link></span> <note>Olm: A Cryptographic Ratchet &lt;<link url='https://matrix.org/docs/spec/olm.html'>https://matrix.org/docs/spec/olm.html</link>&gt;.</note>" >
+<!ENTITY curve25519 "<span class='ref'><link url='http://cr.yp.to/ecdh/curve25519-20060209.pdf'>Curve25519</link></span> <note>Curve25519: new Diffie-Hellman speed records &lt;<link url='http://cr.yp.to/ecdh/curve25519-20060209.pdf'>http://cr.yp.to/ecdh/curve25519-20060209.pdf</link>&gt;.</note>" >
+
+
 
 <!-- ITU specs -->