Apply suggestions from code review

Co-authored-by: Lukas Wirth <[email protected]>
Co-authored-by: Eric Huss <[email protected]>

Author: 3 people

posts/2022-12-15-Rust-1.66.0.md

@@ -54,7 +54,7 @@ enum Bar {
 }
 ```
 
-Here the `Foo` enum is guaranteed to have the same layout as `u8`. Each variant will use either the specified discriminant value or default to starting with 0.
+Here the `Bar` enum is guaranteed to have the same layout as `u8`. Each variant will use either the specified discriminant value or default to starting with 0.
 
 ```rust
 assert_eq!(0, Bar::A as u8);
@@ -68,7 +68,7 @@ Starting in Rust 1.66.0, the above example compiles, allowing you to use explici
 
 ### `core::hint::black_box`
 
-When benchmarking or examining the machine code produced by a compiler, it's often useful to prevent optimizations from ocurring in certain places. In the following example, the function `push_cap` executes `Vec::push` 4 times in a loop:
+When benchmarking or examining the machine code produced by a compiler, it's often useful to prevent optimizations from occurring in certain places. In the following example, the function `push_cap` executes `Vec::push` 4 times in a loop:
 
 ```rust
 fn push_cap(v: &mut Vec<i32>) {