Usually you only need to set the `width` and `height`, other properties will
have decent default values.
-By default the `node-integration` option is `all`, which means node integration
-is available to the main page and all its iframes. You can also set it to
-`except-iframe`, which would disable node integration in all iframes, or
+By default the `node-integration` option is `except-iframe`, which means node
+integration is disabled in all iframes, . You can also set it to `all`, with
+which node integration is available to the main page and all its iframes, or
`manual-enable-iframe`, which is like `except-iframe`, but would enable iframes
whose name is suffixed by `-enable-node-integration`. And setting to `disable`
would disable the node integration in both the main page and its iframes.