diff --git a/crm_lead_vat/README.rst b/crm_lead_vat/README.rst
index d206f212346..a4da8c332f2 100644
--- a/crm_lead_vat/README.rst
+++ b/crm_lead_vat/README.rst
@@ -26,7 +26,7 @@ VAT in leads
 |badge1| |badge2| |badge3| |badge4| |badge5| 
 
 This module was written to extend the functionality of CRM leads to support
-setting the VAT.
+setting the VAT identification number (https://en.wikipedia.org/wiki/VAT_identification_number).
 
 **Table of contents**
 
diff --git a/crm_lead_vat/readme/DESCRIPTION.rst b/crm_lead_vat/readme/DESCRIPTION.rst
index 56da22f710e..ac79a5e9bc0 100644
--- a/crm_lead_vat/readme/DESCRIPTION.rst
+++ b/crm_lead_vat/readme/DESCRIPTION.rst
@@ -1,2 +1,2 @@
 This module was written to extend the functionality of CRM leads to support
-setting the VAT.
+setting the VAT identification number (https://en.wikipedia.org/wiki/VAT_identification_number).
diff --git a/crm_lead_vat/static/description/index.html b/crm_lead_vat/static/description/index.html
index d683434fdee..4f3017ee220 100644
--- a/crm_lead_vat/static/description/index.html
+++ b/crm_lead_vat/static/description/index.html
@@ -369,7 +369,7 @@ <h1 class="title">VAT in leads</h1>
 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! -->
 <p><a class="reference external" href="https://odoo-community.org/page/development-status"><img alt="Beta" src="https://img.shields.io/badge/maturity-Beta-yellow.png" /></a> <a class="reference external" href="http://www.gnu.org/licenses/agpl-3.0-standalone.html"><img alt="License: AGPL-3" src="https://img.shields.io/badge/licence-AGPL--3-blue.png" /></a> <a class="reference external" href="https://github.com/OCA/crm/tree/13.0/crm_lead_vat"><img alt="OCA/crm" src="https://img.shields.io/badge/github-OCA%2Fcrm-lightgray.png?logo=github" /></a> <a class="reference external" href="https://translation.odoo-community.org/projects/crm-13-0/crm-13-0-crm_lead_vat"><img alt="Translate me on Weblate" src="https://img.shields.io/badge/weblate-Translate%20me-F47D42.png" /></a> <a class="reference external" href="https://runbot.odoo-community.org/runbot/111/13.0"><img alt="Try me on Runbot" src="https://img.shields.io/badge/runbot-Try%20me-875A7B.png" /></a></p>
 <p>This module was written to extend the functionality of CRM leads to support
-setting the VAT.</p>
+setting the VAT identification number (<a class="reference external" href="https://en.wikipedia.org/wiki/VAT_identification_number">https://en.wikipedia.org/wiki/VAT_identification_number</a>).</p>
 <p><strong>Table of contents</strong></p>
 <div class="contents local topic" id="contents">
 <ul class="simple">