[IMP] accounting: l10n chile deliver guides warning

task-3410367

closes #5022

Signed-off-by: Xavier Platteau (xpl) <xpl@odoo.com>

Author: xpl-odoo

content/applications/finance/fiscal_localizations/chile.rst

@@ -734,6 +734,9 @@ sales, sampling, consignment, internal transfers, and basically any product move
 Delivery Guide from a Sales Process
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
+.. warning::
+   A delivery guide should **not** be longer than one page or contain more than 60 product lines.
+
 When a Sales Order is created and confirmed, a Delivery Order is generated. After validating the
 Delivery Order, the option to create a Delivery Guide is activated.