diff --git a/security/acme-client/src/opnsense/mvc/app/controllers/OPNsense/AcmeClient/forms/dialogValidation.xml b/security/acme-client/src/opnsense/mvc/app/controllers/OPNsense/AcmeClient/forms/dialogValidation.xml
index ad1d54aae..9dc7f8afc 100644
--- a/security/acme-client/src/opnsense/mvc/app/controllers/OPNsense/AcmeClient/forms/dialogValidation.xml
+++ b/security/acme-client/src/opnsense/mvc/app/controllers/OPNsense/AcmeClient/forms/dialogValidation.xml
@@ -1070,7 +1070,7 @@
         <id>validation.dns_selfhost_map</id>
         <label>RID Mapping</label>
         <type>textbox</type>
-        <help>Please create the TXT Record with Subdomain _acme-challenge first, than you can get the ID from the edit page. Up to two RIDs per fulldomain are supported but at least one must be set, e.g. _acme-challenge.domain.net:RID:RI>
+        <help>Please create the TXT Record with Subdomain _acme-challenge first, than you can get the ID from the edit page. Up to two RIDs per fulldomain are supported but at least one must be set, e.g. _acme-challenge.domain.net:RID:RID</help>
     </field>
     <field>
         <label>Servercow</label>