readme updated

Author: typomedia

README.md

@@ -1,16 +1,16 @@
 # xmllint
 
-A cli utility to check the syntax of XML files.
+A `cli` utility to check the syntax of [XML](https://www.w3.org/XML/) files.
 
-It is written in Rust, and uses the [xml-rs](https://crates.io/crates/xml-rs) library.
+It is written in Rust, and uses the [xml](https://crates.io/crates/xml) library.
 
 ## USAGE
     xmllint <file>
 
-## ARGS
+### ARGS
     <file>    XML file to parse
 
-## OPTIONS
+### OPTIONS
     -h, --help       Print help information
     -V, --version    Print version information