github showed that weird.

library/core/src/result.rs

@@ -1,7 +1,7 @@
 //! Error handling with the `Result` type.
 //!
 //! [`Result<T, E>`][`Result`] is the type used for returning and propagating
-//! errors. It is an enum with the variants, [`Ok(T)`], representing success and
+//! errors. It is an enum with the variants, [`Ok(T)`], representing
 //! success and containing a value, and [`Err(E)`], representing error
 //! and containing an error value.
 //!