diff --git a/CERTIFICATES.d/01-dialog-A.avif b/CERTIFICATES.d/01-dialog-A.avif
index 2fc3c9bd..ec5eb968 100644
Binary files a/CERTIFICATES.d/01-dialog-A.avif and b/CERTIFICATES.d/01-dialog-A.avif differ
diff --git a/CERTIFICATES.d/02-dialog-B.avif b/CERTIFICATES.d/02-dialog-B.avif
index 5e408abe..b2549c85 100644
Binary files a/CERTIFICATES.d/02-dialog-B.avif and b/CERTIFICATES.d/02-dialog-B.avif differ
diff --git a/CERTIFICATES.d/03-window.avif b/CERTIFICATES.d/03-window.avif
index 96039a3b..a588614e 100644
Binary files a/CERTIFICATES.d/03-window.avif and b/CERTIFICATES.d/03-window.avif differ
diff --git a/CERTIFICATES.d/04-certificate.avif b/CERTIFICATES.d/04-certificate.avif
index e6663146..de5ea9f9 100644
Binary files a/CERTIFICATES.d/04-certificate.avif and b/CERTIFICATES.d/04-certificate.avif differ
diff --git a/CERTIFICATES.md b/CERTIFICATES.md
index 8ebd861e..37e138ce 100644
--- a/CERTIFICATES.md
+++ b/CERTIFICATES.md
@@ -32,13 +32,13 @@ is to use a desktop browser to get that information. This demonstration uses
 [Mozilla Firefox ↗️](https://www.mozilla.org/firefox/).
 
 Let's assume we want to make sure the certificate for
-[git.eworm.de](https://git.eworm.de/) is available. Open that page in the
-browser, then click the *lock* icon in addressbar, followed by "*Connection
-secure*".
+[rsc.eworm.de](https://rsc.eworm.de/) is available. Open that page in the
+browser, then click the *shield* icon in addressbar, followed by
+"*Connection secure*".
 
 ![screenshot: dialog A](CERTIFICATES.d/01-dialog-A.avif)
 
-The dialog will change, click "*More information*".
+The dialog will change, click "*More site information*".
 
 ![screenshot: dialog B](CERTIFICATES.d/02-dialog-B.avif)
 
diff --git a/contrib/logo-color.d/browser-01.avif b/contrib/logo-color.d/browser-01.avif
index 3dc0a1f9..f758d1e7 100644
Binary files a/contrib/logo-color.d/browser-01.avif and b/contrib/logo-color.d/browser-01.avif differ
diff --git a/contrib/logo-color.d/browser-02.avif b/contrib/logo-color.d/browser-02.avif
index 1867fbe3..7679be16 100644
Binary files a/contrib/logo-color.d/browser-02.avif and b/contrib/logo-color.d/browser-02.avif differ
diff --git a/contrib/logo-color.d/browser-03.avif b/contrib/logo-color.d/browser-03.avif
index dc24bbbc..95732ad8 100644
Binary files a/contrib/logo-color.d/browser-03.avif and b/contrib/logo-color.d/browser-03.avif differ
diff --git a/contrib/logo-color.html b/contrib/logo-color.html
index 3e9c05fe..c39a20b8 100644
--- a/contrib/logo-color.html
+++ b/contrib/logo-color.html
@@ -45,7 +45,7 @@ logo and download it.</p>
 <p><img src="logo-color.d/browser-03.avif" alt="Screenshot Browser 03"></p>
 
 <p>(This example is with
-<a href="https://www.mozilla.org/de/firefox/new/">Firefox</a>. The workflow
+<a href="https://www.mozilla.org/firefox/">Mozilla Firefox ↗️</a>. The workflow
 for other browsers may differ.)</p>
 
 <p>See how to