diff --git a/CHANGES.md b/CHANGES.md
index 0287fb6..5d5e222 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.
 * 2024-08-22 - Upgrade: Replace deprecated Behat steps.
 * 2024-08-20 - Prepare compatibility for Moodle 4.4.
 
diff --git a/README.md b/README.md
index 4a83e27..f97e437 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 moodle-local_session_keepalive
 ==============================
 
-[![Moodle Plugin CI](https://github.com/moodle-an-hochschulen/moodle-local_session_keepalive/workflows/Moodle%20Plugin%20CI/badge.svg?branch=master)](https://github.com/moodle-an-hochschulen/moodle-local_session_keepalive/actions?query=workflow%3A%22Moodle+Plugin+CI%22+branch%3Amaster)
+[![Moodle Plugin CI](https://github.com/moodle-an-hochschulen/moodle-local_session_keepalive/workflows/Moodle%20Plugin%20CI/badge.svg?branch=main)](https://github.com/moodle-an-hochschulen/moodle-local_session_keepalive/actions?query=workflow%3A%22Moodle+Plugin+CI%22+branch%3Amain)
 
 Moodle plugin which checks for unsent user input in the browser and keeps the user session alive as long as needed to prevent that user input which is sent to the server after the user session has expired will be lost