Update README.md

Author: dy

README.md

@@ -1,6 +1,6 @@
-<h1 align="center">sub<sub><sup> ✦ </sup></sub>script</h1>
+<h1 align="center"><em>sub</em>script</h1>
 
-<p align="center">Tiny expression parser & evaluator.</p>
+<p align="center">Expression parser & evaluator</p>
 <div align="center">
 
 [![build](https://github.com/dy/subscript/actions/workflows/node.js.yml/badge.svg)](https://github.com/dy/subscript/actions/workflows/node.js.yml) [![npm](https://img.shields.io/npm/v/subscript)](http://npmjs.org/subscript) [![size](https://img.shields.io/bundlephobia/minzip/subscript?label=size)](https://bundlephobia.com/package/subscript) [![microjs](https://img.shields.io/badge/µjs-subscript-darkslateblue)](http://microjs.com/#subscript) <!--[![demo](https://img.shields.io/badge/play-%F0%9F%9A%80-white)](https://dy.github.io/subscript/)-->
@@ -15,11 +15,11 @@ let fn = subscript('a + b * 2')
 fn({ a: 1, b: 3 })  // 7
 ```
 
-* **Fast** — Pratt parser engine, see [benchmarks](#performance)
+* **Fast** — pratt parser engine, see [benchmarks](#performance)
 * **Portable** — universal expression format, see [spec](./spec.md)
 * **Extensible** — pluggable syntax, see [playground](https://dy.github.io/subscript/)
-* **Metacircular** — can parse and compile itself
-* **Safe** — sandboxed, blocks `__proto__`, `constructor`, no global access
+* **Metacircular** — parses and compiles itself
+* **Safe** — sandboxed, blocks `__proto__`, `constructor`
 
 
 ## Presets