diff --git a/CHANGES.md b/CHANGES.md
index 7273b64..341b41f 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -6,6 +6,7 @@ Changes
 
 ### Unreleased
 
+* 2024-08-24 - Development: Rename master branch to main, please update your clones.
 * 2024-08-20 - Prepare compatibility for Moodle 4.4.
 
 ### v4.3-r2
diff --git a/README.md b/README.md
index 578115a..486db02 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 moodle-atto_styles
 ==================
 
-[![Moodle Plugin CI](https://github.com/moodle-an-hochschulen/moodle-atto_styles/workflows/Moodle%20Plugin%20CI/badge.svg?branch=master)](https://github.com/moodle-an-hochschulen/moodle-atto_styles/actions?query=workflow%3A%22Moodle+Plugin+CI%22+branch%3Amaster)
+[![Moodle Plugin CI](https://github.com/moodle-an-hochschulen/moodle-atto_styles/workflows/Moodle%20Plugin%20CI/badge.svg?branch=main)](https://github.com/moodle-an-hochschulen/moodle-atto_styles/actions?query=workflow%3A%22Moodle+Plugin+CI%22+branch%3Amain)
 
 Moodle Atto plugin which lets the administrator provide custom CSS classes which can afterwards be applied by users to block and inline text in Atto
 
diff --git a/lang/en/atto_styles.php b/lang/en/atto_styles.php
index 875492a..661e4e6 100644
--- a/lang/en/atto_styles.php
+++ b/lang/en/atto_styles.php
@@ -44,7 +44,7 @@
 &nbsp;&nbsp;&nbsp;&nbsp;"classes": "alert alert-danger"<br />
 }]';
 $string['config'] = 'Styles configuration';
-$string['config_desc'] = 'Configuration for the styles widget for Atto in JSON format. <br /> You can find an extensive example in the README.md in the section <a href="https://github.com/moodle-an-hochschulen/moodle-atto_styles/blob/master/README.md#usage--settings">"Usage & Settings"</a>.
+$string['config_desc'] = 'Configuration for the styles widget for Atto in JSON format. <br /> You can find an extensive example in the README.md in the section <a href="https://github.com/moodle-an-hochschulen/moodle-atto_styles/blob/main/README.md#usage--settings">"Usage & Settings"</a>.
 <hr />
 For example:<br />
 {$a->code_example}