diff --git a/doc/src/sgml/libpq.sgml b/doc/src/sgml/libpq.sgml
index 124c21b..98b6938 100644
--- a/doc/src/sgml/libpq.sgml
+++ b/doc/src/sgml/libpq.sgml
@@ -923,6 +923,7 @@ postgresql://%2Fvar%2Flib%2Fpostgresql/dbname
        host, it is not possible to e.g. specify a different username for 
        different hosts.
      </para>
+   </sect3>
   </sect2>

   <sect2 id="libpq-paramkeywords">