Upgrade rust/crates/once_cell to 1.4.1
Change-Id: I5a472456acf9b241d4cbd17fd38aad5879f7d8dd
diff --git a/src/lib.rs b/src/lib.rs
index 90a3c6b..fd36471 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -3,7 +3,7 @@
`once_cell` provides two new cell-like types, [`unsync::OnceCell`] and [`sync::OnceCell`]. A `OnceCell`
might store arbitrary non-`Copy` types, can be assigned to at most once and provides direct access
-to the stored contents. In a nutshell, the API looks *roughly* like this:
+to the stored contents. The core API looks *roughly* like this (and there's much more inside, read on!):
```rust,ignore
impl<T> OnceCell<T> {
@@ -20,7 +20,7 @@
The `sync` flavor is thread-safe (that is, implements the [`Sync`] trait), while the `unsync` one is not.
[`unsync::OnceCell`]: unsync/struct.OnceCell.html
-[`sync::OnceCell`]: sync/struct.ONceCell.html
+[`sync::OnceCell`]: sync/struct.OnceCell.html
[`RefCell`]: https://doc.rust-lang.org/std/cell/struct.RefCell.html
[`Mutex`]: https://doc.rust-lang.org/std/sync/struct.Mutex.html
[`Sync`]: https://doc.rust-lang.org/std/marker/trait.Sync.html