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diff --git a/doc/check-certificates.d/notification-02-renew.avif b/doc/check-certificates.d/notification-02-renew.avif
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diff --git a/doc/check-certificates.md b/doc/check-certificates.md
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--- a/doc/check-certificates.md
+++ b/doc/check-certificates.md
@@ -19,9 +19,11 @@ Description
 This script tries to download and renew certificates, then notifies about
 certificates that are still about to expire.
 
-### Sample notification
+### Sample notifications
 
-![check-certificates notification](check-certificates.d/notification.avif)
+![check-certificates notification warning](check-certificates.d/notification-01-warn.avif)
+
+![check-certificates notification renew](check-certificates.d/notification-02-renew.avif)
 
 Requirements and installation
 -----------------------------