diff --git a/doc/src/sgml/protocol.sgml b/doc/src/sgml/protocol.sgml
index 89ac680efd5..8ced69f283b 100644
--- a/doc/src/sgml/protocol.sgml
+++ b/doc/src/sgml/protocol.sgml
@@ -2787,7 +2787,7 @@ psql "dbname=postgres replication=database" -c "IDENTIFY_SYSTEM;"
            <term>Int64</term>
            <listitem>
             <para>
-             The latest WAL write position on the server.
+             The end of the last inserted WAL record on the server.
             </para>
            </listitem>
           </varlistentry>