diff --git a/product_variant_attribute_tax/README.rst b/product_variant_attribute_tax/README.rst
index b62242948..1e522d9e5 100644
--- a/product_variant_attribute_tax/README.rst
+++ b/product_variant_attribute_tax/README.rst
@@ -10,9 +10,9 @@ Taxes on product attribute values
    !! source digest: sha256:d261c2d6c298dbbf1fbe98619be54a47119f75e6a9a0b9c0cb426f71e0eff2e4
    !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 
-.. |badge1| image:: https://img.shields.io/badge/maturity-Beta-yellow.png
+.. |badge1| image:: https://img.shields.io/badge/maturity-Production%2FStable-green.png
     :target: https://odoo-community.org/page/development-status
-    :alt: Beta
+    :alt: Production/Stable
 .. |badge2| image:: https://img.shields.io/badge/licence-AGPL--3-blue.png
     :target: http://www.gnu.org/licenses/agpl-3.0-standalone.html
     :alt: License: AGPL-3
diff --git a/product_variant_attribute_tax/__manifest__.py b/product_variant_attribute_tax/__manifest__.py
index 0eb13d8cc..80ae76da7 100644
--- a/product_variant_attribute_tax/__manifest__.py
+++ b/product_variant_attribute_tax/__manifest__.py
@@ -9,6 +9,7 @@
     "website": "https://github.com/OCA/product-variant",
     "category": "Product Management",
     "version": "16.0.1.0.0",
+    "development_status": "Production/Stable",
     "license": "AGPL-3",
     "depends": ["product", "account"],
     "data": ["views/product_attribute_views.xml"],
diff --git a/product_variant_attribute_tax/static/description/index.html b/product_variant_attribute_tax/static/description/index.html
index 1152c67ca..327a02abb 100644
--- a/product_variant_attribute_tax/static/description/index.html
+++ b/product_variant_attribute_tax/static/description/index.html
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="utf-8"?>
 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
 <head>
@@ -369,7 +368,7 @@ <h1 class="title">Taxes on product attribute values</h1>
 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 !! source digest: sha256:d261c2d6c298dbbf1fbe98619be54a47119f75e6a9a0b9c0cb426f71e0eff2e4
 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! -->
-<p><a class="reference external image-reference" 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 image-reference" 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 image-reference" href="https://github.com/OCA/product-variant/tree/16.0/product_variant_attribute_tax"><img alt="OCA/product-variant" src="https://img.shields.io/badge/github-OCA%2Fproduct--variant-lightgray.png?logo=github" /></a> <a class="reference external image-reference" href="https://translation.odoo-community.org/projects/product-variant-16-0/product-variant-16-0-product_variant_attribute_tax"><img alt="Translate me on Weblate" src="https://img.shields.io/badge/weblate-Translate%20me-F47D42.png" /></a> <a class="reference external image-reference" href="https://runboat.odoo-community.org/builds?repo=OCA/product-variant&amp;target_branch=16.0"><img alt="Try me on Runboat" src="https://img.shields.io/badge/runboat-Try%20me-875A7B.png" /></a></p>
+<p><a class="reference external image-reference" href="https://odoo-community.org/page/development-status"><img alt="Production/Stable" src="https://img.shields.io/badge/maturity-Production%2FStable-green.png" /></a> <a class="reference external image-reference" 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 image-reference" href="https://github.com/OCA/product-variant/tree/16.0/product_variant_attribute_tax"><img alt="OCA/product-variant" src="https://img.shields.io/badge/github-OCA%2Fproduct--variant-lightgray.png?logo=github" /></a> <a class="reference external image-reference" href="https://translation.odoo-community.org/projects/product-variant-16-0/product-variant-16-0-product_variant_attribute_tax"><img alt="Translate me on Weblate" src="https://img.shields.io/badge/weblate-Translate%20me-F47D42.png" /></a> <a class="reference external image-reference" href="https://runboat.odoo-community.org/builds?repo=OCA/product-variant&amp;target_branch=16.0"><img alt="Try me on Runboat" src="https://img.shields.io/badge/runboat-Try%20me-875A7B.png" /></a></p>
 <p>This module allows to set taxes on the product attribute values. Itself, it
 doesn’t make too much, but using other modules like
 <em>sale_product_variant_attribute_tax</em> for using these taxes on sales orders.</p>
