[IMP] l10n: pos 18.0 and on-premise certification

task-4391068

closes odoo/documentation#11538

Signed-off-by: Loredana Perazzo (lrpz) <lrpz@odoo.com>

content/applications/finance/fiscal_localizations/belgium.rst

@@ -333,8 +333,9 @@ This government-certified system entails the use of a :ref:`certified POS system
 Certified POS system
 --------------------
 
-The Odoo POS system is certified for the major versions of databases hosted on **Odoo Online** and
+The Odoo POS system is certified for the major versions of databases hosted on **Odoo Online**,
-**Odoo.sh**. Please refer to the following table to ensure that your POS system is certified.
+**Odoo.sh**, and **On-Premise**. Please refer to the following table to ensure that your POS system
+is certified.
 
 .. list-table::
    :header-rows: 1
@@ -344,22 +345,26 @@ The Odoo POS system is certified for the major versions of databases hosted on *
      - Odoo Online
      - Odoo.sh
      - On-Premise
+   * - Odoo 18.0
+     - Certified
+     - Certified
+     - Certified
    * - Odoo 17.0
      - Certified
      - Certified
-     - Not certified
+     - Certified
    * - Odoo 16.0
      - Certified
      - Certified
-     - Not certified
+     - Certified
    * - Odoo 15.0
      - Certified
      - Certified
-     - Not certified
+     - Certified
    * - Odoo 14.0
      - Certified
      - Certified
-     - Not certified
+     - Certified
 
 .. seealso::
    :doc:`/administration/supported_versions`