diff --git a/doc/src/sgml/ref/pg_recvlogical.sgml b/doc/src/sgml/ref/pg_recvlogical.sgml
index 6b1d98d06ef..e4b3955edca 100644
--- a/doc/src/sgml/ref/pg_recvlogical.sgml
+++ b/doc/src/sgml/ref/pg_recvlogical.sgml
@@ -46,6 +46,16 @@ PostgreSQL documentation
     a slot without consuming it, use
    <link linkend="functions-replication"><function>pg_logical_slot_peek_changes</function></link>.
   </para>
+
+  <para>
+   When <application>pg_recvlogical</application> receives
+   a <systemitem>SIGHUP</systemitem> signal, it closes the current output file
+   and opens a new one using the filename specified by
+   the <option>--file</option> option.  This allows us to rotate
+   the output file by first renaming the current file and then sending
+   a <systemitem>SIGHUP</systemitem> signal to
+   <application>pg_recvlogical</application>.
+  </para>
  </refsect1>
 
  <refsect1>