diff --git a/doc/src/sgml/protocol.sgml b/doc/src/sgml/protocol.sgml
index 82fe3f93761..b2e55184632 100644
--- a/doc/src/sgml/protocol.sgml
+++ b/doc/src/sgml/protocol.sgml
@@ -6081,13 +6081,13 @@ psql "dbname=postgres replication=database" -c "IDENTIFY_SYSTEM;"
       </varlistentry>
 
       <varlistentry>
-       <term>Int32(196608)</term>
+       <term>Int32(196610)</term>
        <listitem>
         <para>
          The protocol version number.  The most significant 16 bits are
          the major version number (3 for the protocol described here).
          The least significant 16 bits are the minor version number
-         (0 for the protocol described here).
+         (2 for the protocol described here).
         </para>
        </listitem>
       </varlistentry>