diff --git a/README.md b/README.md
index 61d0be3c8ff..cb9984c6a9f 100644
--- a/README.md
+++ b/README.md
@@ -37,7 +37,7 @@ addon | version | maintainers | summary
 [l10n_es_aeat_mod190](l10n_es_aeat_mod190/) | 15.0.2.0.0 |  | AEAT modelo 190
 [l10n_es_aeat_mod216](l10n_es_aeat_mod216/) | 15.0.1.1.0 | [![pedrobaeza](https://github.com/pedrobaeza.png?size=30px)](https://github.com/pedrobaeza) | AEAT modelo 216
 [l10n_es_aeat_mod296](l10n_es_aeat_mod296/) | 15.0.1.0.0 |  | AEAT modelo 296
-[l10n_es_aeat_mod303](l10n_es_aeat_mod303/) | 15.0.3.6.0 | [![pedrobaeza](https://github.com/pedrobaeza.png?size=30px)](https://github.com/pedrobaeza) | AEAT modelo 303
+[l10n_es_aeat_mod303](l10n_es_aeat_mod303/) | 15.0.3.6.1 | [![pedrobaeza](https://github.com/pedrobaeza.png?size=30px)](https://github.com/pedrobaeza) | AEAT modelo 303
 [l10n_es_aeat_mod303_oss](l10n_es_aeat_mod303_oss/) | 15.0.1.1.0 |  | AEAT modelo 303 - OSS
 [l10n_es_aeat_mod347](l10n_es_aeat_mod347/) | 15.0.1.10.0 |  | AEAT modelo 347
 [l10n_es_aeat_mod349](l10n_es_aeat_mod349/) | 15.0.1.4.0 | [![pedrobaeza](https://github.com/pedrobaeza.png?size=30px)](https://github.com/pedrobaeza) | AEAT modelo 349
diff --git a/l10n_es_aeat_mod303/README.rst b/l10n_es_aeat_mod303/README.rst
index f365151491e..8033d06c912 100644
--- a/l10n_es_aeat_mod303/README.rst
+++ b/l10n_es_aeat_mod303/README.rst
@@ -7,7 +7,7 @@ AEAT modelo 303
    !! This file is generated by oca-gen-addon-readme !!
    !! changes will be overwritten.                   !!
    !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-   !! source digest: sha256:c9fa97254adc6fc2d5c6b0a44784cf2001e640bc72fceea5d5356ce463da14ed
+   !! source digest: sha256:b6f762d4d8fad8d7a435214bcbca7f31e1e2c677660b1299b3c31918f74c2a93
    !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 
 .. |badge1| image:: https://img.shields.io/badge/maturity-Mature-brightgreen.png
diff --git a/l10n_es_aeat_mod303/__manifest__.py b/l10n_es_aeat_mod303/__manifest__.py
index 1721f81fc43..f28afe35d33 100644
--- a/l10n_es_aeat_mod303/__manifest__.py
+++ b/l10n_es_aeat_mod303/__manifest__.py
@@ -7,7 +7,7 @@
 
 {
     "name": "AEAT modelo 303",
-    "version": "15.0.3.6.0",
+    "version": "15.0.3.6.1",
     "category": "Accounting",
     "development_status": "Mature",
     "author": "Guadaltech,"
diff --git a/l10n_es_aeat_mod303/static/description/index.html b/l10n_es_aeat_mod303/static/description/index.html
index 6fd52a406b3..f1c086a7001 100644
--- a/l10n_es_aeat_mod303/static/description/index.html
+++ b/l10n_es_aeat_mod303/static/description/index.html
@@ -8,10 +8,11 @@
 
 /*
 :Author: David Goodger (goodger@python.org)
-:Id: $Id: html4css1.css 8954 2022-01-20 10:10:25Z milde $
+:Id: $Id: html4css1.css 9511 2024-01-13 09:50:07Z milde $
 :Copyright: This stylesheet has been placed in the public domain.
 
 Default cascading style sheet for the HTML output of Docutils.
+Despite the name, some widely supported CSS2 features are used.
 
 See https://docutils.sourceforge.io/docs/howto/html-stylesheets.html for how to
 customize this style sheet.
@@ -274,7 +275,7 @@
   margin-left: 2em ;
   margin-right: 2em }
 
-pre.code .ln { color: grey; } /* line numbers */
+pre.code .ln { color: gray; } /* line numbers */
 pre.code, code { background-color: #eeeeee }
 pre.code .comment, code .comment { color: #5C6576 }
 pre.code .keyword, code .keyword { color: #3B0D06; font-weight: bold }
@@ -300,7 +301,7 @@
 span.pre {
   white-space: pre }
 
-span.problematic {
+span.problematic, pre.problematic {
   color: red }
 
 span.section-subtitle {
@@ -366,7 +367,7 @@ <h1 class="title">AEAT modelo 303</h1>
 !! This file is generated by oca-gen-addon-readme !!
 !! changes will be overwritten.                   !!
 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-!! source digest: sha256:c9fa97254adc6fc2d5c6b0a44784cf2001e640bc72fceea5d5356ce463da14ed
+!! source digest: sha256:b6f762d4d8fad8d7a435214bcbca7f31e1e2c677660b1299b3c31918f74c2a93
 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! -->
 <p><a class="reference external image-reference" href="https://odoo-community.org/page/development-status"><img alt="Mature" src="https://img.shields.io/badge/maturity-Mature-brightgreen.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/l10n-spain/tree/15.0/l10n_es_aeat_mod303"><img alt="OCA/l10n-spain" src="https://img.shields.io/badge/github-OCA%2Fl10n--spain-lightgray.png?logo=github" /></a> <a class="reference external image-reference" href="https://translation.odoo-community.org/projects/l10n-spain-15-0/l10n-spain-15-0-l10n_es_aeat_mod303"><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/l10n-spain&amp;target_branch=15.0"><img alt="Try me on Runboat" src="https://img.shields.io/badge/runboat-Try%20me-875A7B.png" /></a></p>
 <p>Módulo para la presentación del modelo 303 (IVA - Autodeclaración) de la
@@ -504,7 +505,9 @@ <h2><a class="toc-backref" href="#toc-entry-5">Contributors</a></h2>
 <div class="section" id="maintainers">
 <h2><a class="toc-backref" href="#toc-entry-6">Maintainers</a></h2>
 <p>This module is maintained by the OCA.</p>
-<a class="reference external image-reference" href="https://odoo-community.org"><img alt="Odoo Community Association" src="https://odoo-community.org/logo.png" /></a>
+<a class="reference external image-reference" href="https://odoo-community.org">
+<img alt="Odoo Community Association" src="https://odoo-community.org/logo.png" />
+</a>
 <p>OCA, or the Odoo Community Association, is a nonprofit organization whose
 mission is to support the collaborative development of Odoo features and
 promote its widespread use.</p>