--- a/security/manager/security/certificates/certManager.ftl
+++ b/security/manager/security/certificates/certManager.ftl
@@ -56,16 +56,18 @@ certmgr-cert-name =
 certmgr-cert-server =
     .label = الخادوم
 certmgr-override-lifetime =
     .label = الصلاحية
 certmgr-token-name =
     .label = جهاز الأمن
 certmgr-begins-value =
     .value = { certmgr-begins-label.label }
+certmgr-expires-label =
+    .label = تنقضي في
 certmgr-expires-value =
     .value = { certmgr-expires-label.label }
 certmgr-email =
     .label = عنوان البريد الإلكتروني
 certmgr-serial =
     .label = الرّقم التّسلسلي
 certmgr-view =
     .label = اعرض…