diff --git a/xep.ent b/xep.ent
index 36169281..5c0eaf08 100644
--- a/xep.ent
+++ b/xep.ent
@@ -338,6 +338,7 @@ THE SOFTWARE.
 <!ENTITY nistfips186-2 "<span class='ref'><link url='http://csrc.nist.gov/publications/fips/fips186-2/fips186-2-change1.pdf'>DSS</link></span> <note>Digital Signature Standard: Federal Information Processing Standards Publication 186  &lt;<link url='http://csrc.nist.gov/publications/fips/fips186-2/fips186-2-change1.pdf'>http://csrc.nist.gov/publications/fips/fips186-2/fips186-2-change1.pdf</link>&gt;.</note>" >
 <!ENTITY nistfips197 "<span class='ref'><link url='http://csrc.nist.gov/publications/fips/fips197/fips-197.pdf'>AES</link></span> <note>Advanced Encryption Standard: Federal Information Processing Standards Publication 197 &lt;<link url='http://csrc.nist.gov/publications/fips/fips197/fips-197.pdf'>http://csrc.nist.gov/publications/fips/fips197/fips-197.pdf</link>&gt;.</note>" >
 <!ENTITY nistfips198a "<span class='ref'><link url='http://csrc.nist.gov/publications/fips/fips198/fips-198a.pdf'>HMAC</link></span> <note>The Keyed-Hash Message Authentication Code (HMAC): Federal Information Processing Standards Publication 198 &lt;<link url='http://csrc.nist.gov/publications/fips/fips198/fips-198a.pdf'>http://csrc.nist.gov/publications/fips/fips198/fips-198a.pdf</link>&gt;.</note>" >
+<!ENTITY nistfips198-1 "<span class='ref'><link url='http://csrc.nist.gov/publications/fips/fips198-1/FIPS-198-1_final.pdf'>HMAC</link></span> <note>The Keyed-Hash Message Authentication Code (HMAC): Federal Information Processing Standards Publication 198-1 &lt;<link url='http://csrc.nist.gov/publications/fips/fips198-1/FIPS-198-1_final.pdf'>http://csrc.nist.gov/publications/fips/fips198-1/FIPS-198-1_final.pdf</link>&gt;.</note>" >
 <!ENTITY nistfips800-38a "<span class='ref'><link url='http://csrc.nist.gov/publications/nistpubs/800-38a/sp800-38a.pdf'>Recommendation for Block Cipher Modes of Operation</link></span> <note>Recommendation for Block Cipher Modes of Operation: Federal Information Processing Standards Publication 800-38a &lt;<link url='http://csrc.nist.gov/publications/nistpubs/800-38a/sp800-38a.pdf'>http://csrc.nist.gov/publications/ nistpubs/800-38a/sp800-38a.pdf</link>&gt;.</note>" >
 <!ENTITY otr "<span class='ref'><link url='http://www.cypherpunks.ca/otr/otr-codecon.pdf'>Off-the-Record Communication</link></span> <note>Off-the-Record Communication, or, Why Not to Use PGP &lt;<link url='http://www.cypherpunks.ca/otr/otr-codecon.pdf'>http://www.cypherpunks.ca/otr/otr-codecon.pdf</link>&gt; &lt;<link url='http://www.cypherpunks.ca/otr/otr-wpes.pdf'>http://www.cypherpunks.ca/otr/otr-wpes.pdf</link>&gt;.</note>" >
 <!ENTITY serpent "<span class='ref'><link url='http://www.cl.cam.ac.uk/~rja14/serpent.html'>Serpent</link></span> <note>The Serpent Block Cipher &lt;<link url='http://www.cl.cam.ac.uk/~rja14/serpent.html'>http://www.cl.cam.ac.uk/~rja14/serpent.html</link>&gt;.</note>" >