Merge pull request #4 from fpco/docs-stale-delay

docs: Document the duration value of StaleDelay::Default

Author: snoyberg

src/lib.rs

@@ -75,6 +75,7 @@ pub struct AsyncLoaderBuilder {
 
 #[derive(Default)]
 pub enum StaleDelay {
+    /// Default will be twice the [AsyncLoaderBuilder::reload_delay]
     #[default]
     Default,
     Duration(Duration),