diff --git a/doc/src/sgml/ref/pg_ctl-ref.sgml b/doc/src/sgml/ref/pg_ctl-ref.sgml
new file mode 100644
index 37826e9..90725d9
*** a/doc/src/sgml/ref/pg_ctl-ref.sgml
--- b/doc/src/sgml/ref/pg_ctl-ref.sgml
*************** PostgreSQL documentation
*** 383,388 ****
--- 383,389 ----
          attempts to connect to the server.
          When waiting for shutdown, <command>pg_ctl</command> waits for
          the server to remove its <acronym>PID</acronym> file.
+         This option allows the entry of an <acronym>SSL</> passphrase on startup.
          <command>pg_ctl</command> returns an exit code based on the
          success of the startup or shutdown.
         </para>