doc: update example, fix typo

README.md

@@ -39,7 +39,7 @@ println!("{:?} have passed.", timer.elapsed());
 
 let timer = howlong::ProcessCPUTimer::new();
 // do other computations
-println!("{}", timer.elapsed());
+println!("{}", timer.elapsed()); // 5.71s wall, 5.70s user + 0ns system = 5.70s CPU (99.8%)
 ```
 
 ## License

src/lib.rs

@@ -32,7 +32,7 @@
 //!
 //! let timer = howlong::ProcessCPUTimer::new();
 //! // do other computations
-//! println!("{}", timer.elapsed());
+//! println!("{}", timer.elapsed()); // 5.71s wall, 5.70s user + 0ns system = 5.70s CPU (99.8%)
 //! ```
 
 mod types;

src/timer.rs

@@ -6,15 +6,13 @@
 //! # Examples
 //!
 //! ```
-//! use howlong::*;
-//!
-//! let timer = HighResolutionTimer::new();
+//! let timer = howlong::HighResolutionTimer::new();
 //! // do some computations
 //! println!("{:?} have passed.", timer.elapsed());
 //!
-//! let timer = ProcessCPUTimer::new();
+//! let timer = howlong::ProcessCPUTimer::new();
 //! // do other computations
-//! println!("{}", timer.elapsed());
+//! println!("{}", timer.elapsed()); // 5.71s wall, 5.70s user + 0ns system = 5.70s CPU (99.8%)
 //! ```
 
 use crate::{clock::*, Clock, Duration, ProcessDuration, ProcessTimePoint, TimePoint};

src/types.rs

@@ -12,7 +12,7 @@ pub enum Error {
     ClkFreqTooHigh,
 }
 
-/// Alias to `core::result::Result<T, katex::Error>`
+/// Alias to `core::result::Result<T, howlong::Error>`
 pub type Result<T> = core::result::Result<T, Error>;
 
 pub use core::time::Duration;