diff --git a/docs/installation-and-operations/installation/packaged/README.md b/docs/installation-and-operations/installation/packaged/README.md
index caaa80b5d2ad..69991b017b75 100644
--- a/docs/installation-and-operations/installation/packaged/README.md
+++ b/docs/installation-and-operations/installation/packaged/README.md
@@ -191,7 +191,12 @@ sudo wget -O /etc/yum.repos.d/openproject.repo \
 If it is not already enabled, make sure to enable [Extra Packages for Enterprise Linux](https://fedoraproject.org/wiki/EPEL) (EPEL).
 
 ```shell
-sudo dnf install -y epel-release
+sudo subscription-manager repos --enable codeready-builder-for-rhel-9-$(arch)-rpms
+sudo dnf install https://dl.fedoraproject.org/pub/epel/epel-release-latest-9.noarch.rpm
+
+# if using CentOS 9:
+# sudo dnf config-manager --set-enabled crb
+# sudo dnf install https://dl.fedoraproject.org/pub/epel/epel{,-next}-release-latest-9.noarch.rpm
 ```
 
 Download the OpenProject package:
diff --git a/docs/installation-and-operations/operation/upgrading/README.md b/docs/installation-and-operations/operation/upgrading/README.md
index 1c1f9b6c5117..4be46a4a2428 100644
--- a/docs/installation-and-operations/operation/upgrading/README.md
+++ b/docs/installation-and-operations/operation/upgrading/README.md
@@ -97,11 +97,12 @@ If you want to perform changes to your configuration or are unsure what steps ar
 Note that this still takes previous values into consideration. Values that should not change from your previous configurations can be skipped by pressing `<Return>`. This also applies for steps with passwords, which are shown as empty even though they may have a value. Skipping those steps equals to re-use the existing value.
 
 ## Compose-based installation
+> **Note**: Please make sure the git repository with the docker-compose.yml file is up-to-date. If you're using an old version of the repository, the update might fail.
 
 When using the Compose-based docker installation, you can simply do the following:
 
 ```shell
-docker-compose pull
+docker-compose pull --ignore-buildable
 docker-compose up -d
 ```
 
diff --git a/docs/system-admin-guide/authentication/openid-providers/07-client-secret.png b/docs/system-admin-guide/authentication/openid-providers/07-client-secret.png
index a5b3cc7c2f44..969da0109899 100644
Binary files a/docs/system-admin-guide/authentication/openid-providers/07-client-secret.png and b/docs/system-admin-guide/authentication/openid-providers/07-client-secret.png differ
diff --git a/docs/system-admin-guide/authentication/openid-providers/08-add-secret.png b/docs/system-admin-guide/authentication/openid-providers/08-add-secret.png
index c7d85a0795ab..938e29a504a5 100644
Binary files a/docs/system-admin-guide/authentication/openid-providers/08-add-secret.png and b/docs/system-admin-guide/authentication/openid-providers/08-add-secret.png differ
diff --git a/docs/system-admin-guide/authentication/openid-providers/README.md b/docs/system-admin-guide/authentication/openid-providers/README.md
index 66efac2c6de5..9ae25ce42c81 100644
--- a/docs/system-admin-guide/authentication/openid-providers/README.md
+++ b/docs/system-admin-guide/authentication/openid-providers/README.md
@@ -133,7 +133,7 @@ You can now click on "Certificates & secret".
 
 ![Azure Active Directory Certificates](06-certificates.png)
 
-Then click on "New client secret", set the description to "client_secret", and the expiration to "never". Then click on "Add".
+Then click on "New client secret", set the description to "client_secret", and the expiration to "730 days (24 months)". Then click on "Add".
 
 ![Azure Active Directory New Client Secret](07-client-secret.png)