diff --git a/doc/src/sgml/pgcrypto.sgml b/doc/src/sgml/pgcrypto.sgml
index bbaa2691fe..70ed9fc38e 100644
--- a/doc/src/sgml/pgcrypto.sgml
+++ b/doc/src/sgml/pgcrypto.sgml
@@ -159,7 +159,7 @@ hmac(data bytea, key bytea, type text) returns bytea
       <entry>yes</entry>
       <entry>128</entry>
       <entry>60</entry>
-      <entry>Blowfish-based, variant 2a</entry>
+      <entry>Blowfish-based, variant 2a and 2x</entry>
      </row>
      <row>
       <entry><literal>md5</literal></entry>