Upgrade rust/crates/async-trait to 0.1.51
Test: make
Change-Id: I49db210e485350612bd1f2f6ef971b8f33ec6be7
diff --git a/src/lib.rs b/src/lib.rs
index 100bee6..3ae002a 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -259,7 +259,7 @@
//! implementations for some async methods, there are two resolutions. Either
//! you can add Send and/or Sync as supertraits (Send if there are `&mut self`
//! methods with default implementations, Sync if there are `&self` methods with
-//! default implementions) to constrain all implementors of the trait such that
+//! default implementations) to constrain all implementors of the trait such that
//! the default implementations are applicable to them:
//!
//! ```
