Fx typo

src/lib.rs

@@ -185,7 +185,7 @@ mod store {
  * The `memoize` attribute can take further parameters in order to use an LRU cache:
  * `#[memoize(Capacity: 1234)]`. In that case, instead of a `HashMap` we use an `lru::LruCache`
  * with the given capacity.
- * `#[memoize(TimeToLive: Duration::from_secs(2))]`. In that case, cached walue will be actual
+ * `#[memoize(TimeToLive: Duration::from_secs(2))]`. In that case, cached value will be actual
  * no longer than duration provided and refreshed with next request. If you prefer chrono::Duration,
  * it can be also used: `#[memoize(TimeToLive: chrono::Duration::hours(9).to_std().unwrap()]`
  *