Documentation hot fix

Author: Daniel Shelepanov

doc/pgprobackup.xml

@@ -653,7 +653,7 @@ GRANT EXECUTE ON FUNCTION pg_catalog.pg_control_checkpoint() TO backup;
 COMMIT;
 </programlisting>
     <para>
-      For <productname>PostgreSQL</productname> 10:
+      For <productname>PostgreSQL</productname> versions 10 &mdash; 14:
     </para>
     <programlisting>
 BEGIN;