diff --git a/tests/data/readme_tests/addon1/README.expected-acme b/tests/data/readme_tests/addon1/README.expected-acme
index 720569353..1bc966d33 100644
--- a/tests/data/readme_tests/addon1/README.expected-acme
+++ b/tests/data/readme_tests/addon1/README.expected-acme
@@ -86,23 +86,23 @@ Credits
 =======
 
 Authors
-~~~~~~~
+-------
 
 * Acme Inc
 
 Contributors
-~~~~~~~~~~~~
+------------
 
 * contributor1
 * contributor2
 
 Other credits
-~~~~~~~~~~~~~
+-------------
 
 This module has been funded by Acme Corp.
 
 Maintainers
-~~~~~~~~~~~
+-----------
 
 This module is part of the `acme/server-tools <https://github.com/acme/server-tools/tree/12.0/addon1>`_ project on GitHub.
 
diff --git a/tests/data/readme_tests/addon1/README.expected-oca b/tests/data/readme_tests/addon1/README.expected-oca
index d5791e629..048268d00 100644
--- a/tests/data/readme_tests/addon1/README.expected-oca
+++ b/tests/data/readme_tests/addon1/README.expected-oca
@@ -92,23 +92,23 @@ Credits
 =======
 
 Authors
-~~~~~~~
+-------
 
 * Acme Inc
 
 Contributors
-~~~~~~~~~~~~
+------------
 
 * contributor1
 * contributor2
 
 Other credits
-~~~~~~~~~~~~~
+-------------
 
 This module has been funded by Acme Corp.
 
 Maintainers
-~~~~~~~~~~~
+-----------
 
 This module is maintained by the OCA.
 
diff --git a/tests/data/readme_tests/addon_one_maintainer/README.expected-acme b/tests/data/readme_tests/addon_one_maintainer/README.expected-acme
index 14763dd8a..cb7bd9cda 100644
--- a/tests/data/readme_tests/addon_one_maintainer/README.expected-acme
+++ b/tests/data/readme_tests/addon_one_maintainer/README.expected-acme
@@ -47,12 +47,12 @@ Credits
 =======
 
 Authors
-~~~~~~~
+-------
 
 * Acme Inc
 
 Maintainers
-~~~~~~~~~~~
+-----------
 
 .. |maintainer-toto| image:: https://github.com/toto.png?size=40px
     :target: https://github.com/toto
diff --git a/tests/data/readme_tests/addon_one_maintainer/README.expected-oca b/tests/data/readme_tests/addon_one_maintainer/README.expected-oca
index 4d462ac35..72138b56b 100644
--- a/tests/data/readme_tests/addon_one_maintainer/README.expected-oca
+++ b/tests/data/readme_tests/addon_one_maintainer/README.expected-oca
@@ -53,12 +53,12 @@ Credits
 =======
 
 Authors
-~~~~~~~
+-------
 
 * Acme Inc
 
 Maintainers
-~~~~~~~~~~~
+-----------
 
 This module is maintained by the OCA.
 
diff --git a/tests/data/readme_tests/addon_two_maintainers/README.expected-acme b/tests/data/readme_tests/addon_two_maintainers/README.expected-acme
index 317308708..106ff5281 100644
--- a/tests/data/readme_tests/addon_two_maintainers/README.expected-acme
+++ b/tests/data/readme_tests/addon_two_maintainers/README.expected-acme
@@ -40,12 +40,12 @@ Credits
 =======
 
 Authors
-~~~~~~~
+-------
 
 * Acme Inc
 
 Maintainers
-~~~~~~~~~~~
+-----------
 
 .. |maintainer-toto| image:: https://github.com/toto.png?size=40px
     :target: https://github.com/toto
diff --git a/tests/data/readme_tests/addon_two_maintainers/README.expected-oca b/tests/data/readme_tests/addon_two_maintainers/README.expected-oca
index 4b1c0e197..c05b86452 100644
--- a/tests/data/readme_tests/addon_two_maintainers/README.expected-oca
+++ b/tests/data/readme_tests/addon_two_maintainers/README.expected-oca
@@ -46,12 +46,12 @@ Credits
 =======
 
 Authors
-~~~~~~~
+-------
 
 * Acme Inc
 
 Maintainers
-~~~~~~~~~~~
+-----------
 
 This module is maintained by the OCA.
 
diff --git a/tools/gen_addon_readme.template b/tools/gen_addon_readme.template
index acfb89c5f..d9eb6d38a 100644
--- a/tools/gen_addon_readme.template
+++ b/tools/gen_addon_readme.template
@@ -61,17 +61,17 @@ Credits
 
 {% if authors -%}
 Authors
-~~~~~~~
+-------
 
 {% for author in authors -%}
 * {{ author }}
 {% endfor %}
 {% endif -%}
 
-{{ fragment('CONTRIBUTORS', 'Contributors', sub='~') }}
-{{- fragment('CREDITS', 'Other credits', sub='~') -}}
+{{ fragment('CONTRIBUTORS', 'Contributors', sub='-') }}
+{{- fragment('CREDITS', 'Other credits', sub='-') -}}
 Maintainers
-~~~~~~~~~~~
+-----------
 {%- if org_name == 'OCA' %}
 
 This module is maintained by the OCA.