diff --git a/packages/element-web-module-api/src/api/custom-components.ts b/packages/element-web-module-api/src/api/custom-components.ts
index 67d7a6bef9..ba477057cf 100644
--- a/packages/element-web-module-api/src/api/custom-components.ts
+++ b/packages/element-web-module-api/src/api/custom-components.ts
@@ -47,7 +47,7 @@ export type CustomMessageRenderHints = {
     /**
      * If an event contains media, this function will be called to check
      * if the media can be prompted to be downloaded as a file.
-     * Default is true.
+     * If this function is not supplied, media downloads are allowed.
      */
     allowDownloadingMedia?: (mxEvent: MatrixEvent) => Promise<boolean>;
 };