diff --git a/docs/plugins/gettingstarted.rst b/docs/plugins/gettingstarted.rst
index 20a30c67..efd223e4 100644
--- a/docs/plugins/gettingstarted.rst
+++ b/docs/plugins/gettingstarted.rst
@@ -820,12 +820,10 @@ Put something like the following into ``helloworld.css``:
 .. code-block:: css
    :linenos:
 
-   #tab_plugin_helloworld {
-     iframe {
+   #tab_plugin_helloworld iframe {
        width: 100%;
        height: 600px;
        border: 1px solid #808080;
-     }
    }
 
 Don't forget to remove the ``style`` attribute from the ``iframe`` tag in ``helloworld_tab.jinja2``: