Merge pull request #635 from aikar/patch-1

Cleanup ES7 example

Author: sidorares

.eslintrc

@@ -3,7 +3,7 @@
     "prettier"
   ],
       "parserOptions": {
-        "ecmaVersion": 7,
+        "ecmaVersion": 2017,
       },
   "plugins": [
       "markdown",

documentation/Promise-Wrapper.md

@@ -27,26 +27,21 @@ In addition to errback interface there is thin wrapper to expose Promise-based a
 ```
 ## ES7 Async Await
 ```js
-/*
-async function main () {
+async function example1 () {
   const mysql = require('mysql2/promise');
   const conn = await mysql.createConnection({ database: test });
   let [rows, fields] = await conn.execute('select ?+? as sum', [2, 2]);
 }
-*/
-```
 
-```js
-// eslint-disable-next-block
-/*
+async function example2 () {
    let mysql = require('mysql2/promise');
    let pool = mysql.createPool({database: test});
    // execute in parallel, next console.log in 3 seconds
    await Promise.all([pool.query('select sleep(2)'), pool.query('select sleep(3)')]);
    console.log('3 seconds after');
    await pool.end();
    await conn.end();
-*/
+}
 ```
 
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