diff --git a/web/src/locales/en.po b/web/src/locales/en.po
index b36d768d4..74a33f435 100644
--- a/web/src/locales/en.po
+++ b/web/src/locales/en.po
@@ -4041,6 +4041,10 @@ msgstr "These policies control which users can access this application."
 msgid "This provider will behave like a transparent reverse-proxy, except requests must be authenticated. If your upstream application uses HTTPS, make sure to connect to the outpost using HTTPS as well."
 msgstr "This provider will behave like a transparent reverse-proxy, except requests must be authenticated. If your upstream application uses HTTPS, make sure to connect to the outpost using HTTPS as well."
 
+#: src/pages/tenants/TenantForm.ts
+msgid "This setting only affects new Events, as the expiration is saved per-event."
+msgstr "This setting only affects new Events, as the expiration is saved per-event."
+
 #: src/pages/stages/invitation/InvitationStageForm.ts
 msgid "This stage can be included in enrollment flows to accept invitations."
 msgstr "This stage can be included in enrollment flows to accept invitations."
diff --git a/web/src/locales/pseudo-LOCALE.po b/web/src/locales/pseudo-LOCALE.po
index 91533286f..cbaa9dbea 100644
--- a/web/src/locales/pseudo-LOCALE.po
+++ b/web/src/locales/pseudo-LOCALE.po
@@ -4026,6 +4026,10 @@ msgstr ""
 msgid "This provider will behave like a transparent reverse-proxy, except requests must be authenticated. If your upstream application uses HTTPS, make sure to connect to the outpost using HTTPS as well."
 msgstr ""
 
+#: src/pages/tenants/TenantForm.ts
+msgid "This setting only affects new Events, as the expiration is saved per-event."
+msgstr ""
+
 #: src/pages/stages/invitation/InvitationStageForm.ts
 msgid "This stage can be included in enrollment flows to accept invitations."
 msgstr ""
diff --git a/web/src/pages/tenants/TenantForm.ts b/web/src/pages/tenants/TenantForm.ts
index 074119db0..eebc8e3b6 100644
--- a/web/src/pages/tenants/TenantForm.ts
+++ b/web/src/pages/tenants/TenantForm.ts
@@ -178,6 +178,9 @@ export class TenantForm extends ModelForm<Tenant, string> {
                         <p class="pf-c-form__helper-text">
                             ${t`When using an external logging solution for archiving, this can be set to "minutes=5".`}
                         </p>
+                        <p class="pf-c-form__helper-text">
+                            ${t`This setting only affects new Events, as the expiration is saved per-event.`}
+                        </p>
                         <p class="pf-c-form__helper-text">${t`Format: "weeks=3;days=2;hours=3,seconds=2".`}</p>
                     </ak-form-element-horizontal>
                 </div>