Use '_t' for caption to have strings localized

src/settings/Settings.tsx

@@ -486,9 +486,9 @@ export const SETTINGS: { [setting: string]: ISetting } = {
             title: _td("New session manager"),
             caption: () => (
                 <>
-                    <p>{_td("Have greater visibility and control over all your sessions.")}</p>
+                    <p>{_t("Have greater visibility and control over all your sessions.")}</p>
                     <p>
-                        {_td(
+                        {_t(
                             "Our new sessions manager provides better visibility of all your sessions, " +
                                 "and greater control over them including the ability to remotely toggle push notifications.",
                         )}