Tidy up comments

src/@types/matrix-js-sdk.d.ts

@@ -17,7 +17,6 @@ import type { UserWidget } from "../utils/WidgetUtils-types.ts";
 import { type MediaPreviewConfig } from "./media_preview.ts";
 
 // Extend Matrix JS SDK types via Typescript declaration merging to support unspecced event fields and types
-
 declare module "matrix-js-sdk/src/types" {
     export interface FileInfo {
         /**

src/@types/media_preview.ts

@@ -6,13 +6,28 @@ Please see LICENSE files in the repository root for full details.
 */
 
 export enum MediaPreviewValue {
+    /**
+     * Media previews should be enabled.
+     */
     On = "on",
+    /**
+     * Media previews should only be enabled for rooms with non-public join rules.
+     */
     Private = "private",
+    /**
+     * Media previews should be disabled.
+     */
     Off = "off",
 }
 
 export const MEDIA_PREVIEW_ACCOUNT_DATA_TYPE = "io.element.msc4278.media_preview_config";
 export interface MediaPreviewConfig extends Record<string, unknown> {
+    /**
+     * Media preview setting for thumbnails of media in rooms.
+     */
     media_previews: MediaPreviewValue;
+    /**
+     * Media preview settings for avatars of rooms we have been invited to.
+     */
     invite_avatars: MediaPreviewValue;
 }