diff --git a/security/acme-client/pkg-descr b/security/acme-client/pkg-descr
index 8dd171559..5d07a9eae 100644
--- a/security/acme-client/pkg-descr
+++ b/security/acme-client/pkg-descr
@@ -10,6 +10,13 @@ Plugin Changelog
 
 4.8
 
+BREAKING CHANGE: Let's Encrypt ends support for the OCSP Must Staple
+extension on 30.01.2025. Issuance requests will fail if this option is
+still enabled past this date.
+
+Changed:
+* Add note regarding the support of OCSP
+
 Fixed:
 * SFTP automation unable to transfer certs (#4477)
 
diff --git a/security/acme-client/src/opnsense/mvc/app/controllers/OPNsense/AcmeClient/forms/dialogCertificate.xml b/security/acme-client/src/opnsense/mvc/app/controllers/OPNsense/AcmeClient/forms/dialogCertificate.xml
index ddeda0b17..703b67d98 100644
--- a/security/acme-client/src/opnsense/mvc/app/controllers/OPNsense/AcmeClient/forms/dialogCertificate.xml
+++ b/security/acme-client/src/opnsense/mvc/app/controllers/OPNsense/AcmeClient/forms/dialogCertificate.xml
@@ -68,11 +68,15 @@
         <type>dropdown</type>
         <help><![CDATA[Specify the domain key length: 2048, 3072, 4096, 8192 or ec-256, ec-384.]]></help>
     </field>
+    <field>
+        <label><![CDATA[NOTE: OCSP is not supported by all CAs.]]></label>
+        <type>info</type>
+    </field>
     <field>
         <id>certificate.ocsp</id>
         <label>OCSP Must Staple</label>
         <type>checkbox</type>
-        <help>Generate and add OCSP Must Staple extension to the certificate.</help>
+        <help>Generate and add OCSP Must Staple extension to the certificate. When this option is enabled and issueance/renewal requests fail, then this extension is probably not supported by the CA.</help>
     </field>
     <field>
         <label>Advanced Settings</label>