fix the docstring oops
@@ -39,7 +39,7 @@ impl<T: Data> Button<T> {
/// # Examples
///
/// ```
- /// use druid::widget::{Button};
+ /// use druid::widget::Button;
///
/// let button = Button::new("Increment").on_click(|_ctx, data: &mut u32, _env| {
/// *data += 1;
