diff --git a/README.md b/README.md
index da11b43e..dd23340e 100644
--- a/README.md
+++ b/README.md
@@ -23,7 +23,7 @@ addon | version | maintainers | summary
 --- | --- | --- | ---
 [calendar_export_ics](calendar_export_ics/) | 15.0.1.0.1 |  | Allow exporting odoo calendar to an ics file
 [calendar_import_ics](calendar_import_ics/) | 15.0.1.0.1 |  | Allow importing an ics file to our calendar
-[resource_booking](resource_booking/) | 15.0.2.1.0 | [![pedrobaeza](https://github.com/pedrobaeza.png?size=30px)](https://github.com/pedrobaeza) | Manage appointments and resource booking
+[resource_booking](resource_booking/) | 15.0.2.1.1 | [![pedrobaeza](https://github.com/pedrobaeza.png?size=30px)](https://github.com/pedrobaeza) | Manage appointments and resource booking
 
 [//]: # (end addons)
 
diff --git a/resource_booking/README.rst b/resource_booking/README.rst
index a814af19..cbc5c3ac 100644
--- a/resource_booking/README.rst
+++ b/resource_booking/README.rst
@@ -7,7 +7,7 @@ Resource booking
    !! This file is generated by oca-gen-addon-readme !!
    !! changes will be overwritten.                   !!
    !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-   !! source digest: sha256:feac301b3833a304fe0be1f0ed4e5a789c5a139ef3d15905bc0feda974791854
+   !! source digest: sha256:325a6bcfd2e24de6eda41fbf907041ef9b413ff06aa94a0d7576c8a6926acfdf
    !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 
 .. |badge1| image:: https://img.shields.io/badge/maturity-Production%2FStable-green.png
diff --git a/resource_booking/__manifest__.py b/resource_booking/__manifest__.py
index 3edf6067..195b980e 100644
--- a/resource_booking/__manifest__.py
+++ b/resource_booking/__manifest__.py
@@ -6,7 +6,7 @@
 {
     "name": "Resource booking",
     "summary": "Manage appointments and resource booking",
-    "version": "15.0.2.1.0",
+    "version": "15.0.2.1.1",
     "development_status": "Production/Stable",
     "category": "Appointments",
     "website": "https://github.com/OCA/calendar",
diff --git a/resource_booking/static/description/index.html b/resource_booking/static/description/index.html
index 87868bcf..a3237048 100644
--- a/resource_booking/static/description/index.html
+++ b/resource_booking/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">Resource booking</h1>
 !! This file is generated by oca-gen-addon-readme !!
 !! changes will be overwritten.                   !!
 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-!! source digest: sha256:feac301b3833a304fe0be1f0ed4e5a789c5a139ef3d15905bc0feda974791854
+!! source digest: sha256:325a6bcfd2e24de6eda41fbf907041ef9b413ff06aa94a0d7576c8a6926acfdf
 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! -->
 <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/calendar/tree/15.0/resource_booking"><img alt="OCA/calendar" src="https://img.shields.io/badge/github-OCA%2Fcalendar-lightgray.png?logo=github" /></a> <a class="reference external image-reference" href="https://translation.odoo-community.org/projects/calendar-15-0/calendar-15-0-resource_booking"><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/calendar&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>This module adds a new app to allow you to book resource combinations in given
@@ -540,7 +541,9 @@ <h2><a class="toc-backref" href="#toc-entry-8">Contributors</a></h2>
 <div class="section" id="maintainers">
 <h2><a class="toc-backref" href="#toc-entry-9">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>