change readme.

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "eval"
-version = "0.1.1"
+version = "0.1.2"
 description = "Expression evaluator"
 keywords = ["expression", "evaluate", "evaluator", "expr", "template"]
 authors = ["fengcen <fengcen.love@gmail.com>"]

README.md

@@ -3,7 +3,7 @@ eval
 ===
 [![docs](https://docs.rs/eval/badge.svg?version=0.1.1 "docs")](https://docs.rs/eval)
 
-Expression evaluator for Rust.
+Eval is a powerful expression evaluator.
 
 ## [Document](https://docs.rs/eval)
 

src/lib.rs

@@ -1,4 +1,4 @@
-//! Expression evaluator.
+//! Eval is a powerful expression evaluator.
 //!
 //! Supported operators: `!` `!=` `""` `''` `()` `[]` `,` `>` `<` `>=` `<=`
 //! `==` `+` `-` `*` `/` `%` `&&` `||` `n..m`.