message: Fix grammar errors and typos from code review
diff: @@ -17,7 +17,7 @@ pub struct BlobCache<I> {
  /// The actual blob cache.
  #[data_size(skip)]
  items: HashMap<I, Weak<Vec<u8>>>,
  - /// Interval for garbage collection, will remove dead references on every n-th access.
  + /// Interval for garbage collection, will remove dead references on every n-th `put()`.
  garbage_collect_interval: u16,
  /// Counts how many items have been added since the last garbage collect interval.
  put_count: u16,
  @@ -38,7 +38,7 @@ impl<I> BlobCache<I>
  where
  I: Hash + Eq,
  {
  - /// Stores an serialized item (blob) in the cache.
  + /// Stores a serialized item (blob) in the cache.
  ///
  /// At configurable intervals (see `garbage_collect_interval`), the entire cache will be checked
  /// and dead references pruned.
  