diff --git a/core/src/main/resources/hudson/security/LegacySecurityRealm/config.groovy b/core/src/main/resources/hudson/security/LegacySecurityRealm/config.groovy
index 1d0d2eb4d9..eddea7413f 100644
--- a/core/src/main/resources/hudson/security/LegacySecurityRealm/config.groovy
+++ b/core/src/main/resources/hudson/security/LegacySecurityRealm/config.groovy
@@ -7,9 +7,7 @@ import jenkins.model.Jenkins
 def f = namespace(lib.FormTagLib)
 
 f.entry(title: _('Unprotected URLs')) {
-    p(class: "jenkins-form-description") {
-        _('blurb')
-    }
+    f.description(_('blurb'))
     ul {
         for (def action : Jenkins.get().getActions().sort { x, y -> x.getUrlName() <=> y.getUrlName() }) {
             if (action instanceof UnprotectedRootAction) {