fixes article usage

it's "a utility", not "an ...", because the pronunciation of "utility"
starts with "ju"

Author: wookietreiber

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "bytesize"
-description = "an utility for human-readable bytes representations"
+description = "a utility for human-readable bytes representations"
 version = "1.0.0"
 authors = ["Hyunsik Choi <[email protected]>"]
 

README.md

@@ -3,7 +3,7 @@
 [![Crates.io Version](https://img.shields.io/crates/v/bytesize.svg)](https://crates.io/crates/bytesize)
 
 
-ByteSize is an utility for human-readable byte count representation.
+ByteSize is a utility for human-readable byte count representation.
 
 [API Documentation](https://docs.rs/bytesize/)
 

src/lib.rs

@@ -1,5 +1,5 @@
-//! ByteSize is an utility that easily makes bytes size representation
-//! and helps its arithmetic operations.
+//! ByteSize is a utility that easily makes bytes size representation and helps
+//! its arithmetic operations.
 //!
 //! ## Example
 //!