diff -Nacr a/doc/src/sgml/ref/alter_system.sgml b/doc/src/sgml/ref/alter_system.sgml
*** a/doc/src/sgml/ref/alter_system.sgml	2016-05-10 05:47:49.000000000 +0900
--- b/doc/src/sgml/ref/alter_system.sgml	2016-05-24 15:49:44.000000000 +0900
***************
*** 47,54 ****
  
    <para>
     Values set with <command>ALTER SYSTEM</command> will be effective after
!    the next server configuration reload (<systemitem>SIGHUP</>
!    or <literal>pg_ctl reload</>), or after the next server restart in the
     case of parameters that can only be changed at server start.
    </para>
  
--- 47,55 ----
  
    <para>
     Values set with <command>ALTER SYSTEM</command> will be effective after
!    the next server configuration reload (by calling the SQL function
!    <function>pg_reload_conf()</>, sending <systemitem>SIGHUP</>
!    or running <literal>pg_ctl reload</>), or after the next server restart in the
     case of parameters that can only be changed at server start.
    </para>