diff --git a/README.md b/README.md
index 4dfa354..fcfc72f 100644
--- a/README.md
+++ b/README.md
@@ -55,8 +55,7 @@ let now = Instant::now();
     log::info!("thread {i} bandwidth: {bandwidth}");
 });
 let total_bandwidth = Byte::from_bytes((DATA_SIZE / now.elapsed().as_secs()) as u128)
-    .get_appropriate_unit(true)
-    .to_string();
+    .get_appropriate_unit(true);
 log::info!("Total bandwidth: {total_bandwidth}/s");
 ```
 
diff --git a/examples/dd_test.rs b/examples/dd_test.rs
index 6a495fb..11a3afb 100644
--- a/examples/dd_test.rs
+++ b/examples/dd_test.rs
@@ -57,8 +57,7 @@ fn main() -> MainResult {
         log::info!("thread {i} bandwidth: {bandwidth}");
     });
     let total_bandwidth = Byte::from_bytes((DATA_SIZE / now.elapsed().as_secs()) as u128)
-        .get_appropriate_unit(true)
-        .to_string();
+        .get_appropriate_unit(true);
     log::info!("Total bandwidth: {total_bandwidth}/s");
 
     Ok(())
diff --git a/macros/src/lib.rs b/macros/src/lib.rs
index 987e224..11debd3 100644
--- a/macros/src/lib.rs
+++ b/macros/src/lib.rs
@@ -193,7 +193,7 @@ pub fn spawn_with_output(input: proc_macro::TokenStream) -> proc_macro::TokenStr
 
 #[proc_macro]
 #[proc_macro_error]
-/// Logs a fatal message at the error level, and exit process
+/// Log a fatal message at the error level, and exit process
 ///
 /// e.g:
 /// ```
diff --git a/src/lib.rs b/src/lib.rs
index ff6e043..91e48f3 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -61,8 +61,7 @@
 //!     log::info!("thread {i} bandwidth: {bandwidth}");
 //! });
 //! let total_bandwidth = Byte::from_bytes((DATA_SIZE / now.elapsed().as_secs()) as u128)
-//!     .get_appropriate_unit(true)
-//!     .to_string();
+//!     .get_appropriate_unit(true);
 //! log::info!("Total bandwidth: {total_bandwidth}/s");
 //! # Ok::<(), std::io::Error>(())
 //! ```