docs: fix syntax in wait example (#139)

* fix missing parens in README wait() example

* add zgreen to contributors

Author: zgreen

.all-contributorsrc

@@ -407,6 +407,15 @@
       "contributions": [
         "bug"
       ]
+    },
+    {
+      "login": "zgreen",
+      "name": "Zach Green",
+      "avatar_url": "https://avatars0.githubusercontent.com/u/1700355?v=4",
+      "profile": "https://offbyone.tech",
+      "contributions": [
+        "doc"
+      ]
     }
   ]
 }

README.md

@@ -15,7 +15,7 @@
 [![version][version-badge]][package] [![downloads][downloads-badge]][npmtrends]
 [![MIT License][license-badge]][license]
 
-[![All Contributors](https://img.shields.io/badge/all_contributors-41-orange.svg?style=flat-square)](#contributors)
+[![All Contributors](https://img.shields.io/badge/all_contributors-42-orange.svg?style=flat-square)](#contributors)
 [![PRs Welcome][prs-badge]][prs] [![Code of Conduct][coc-badge]][coc]
 [![Join the community on Spectrum][spectrum-badge]][spectrum]
 
@@ -560,7 +560,7 @@ test('can fill in the form after loaded', async () => {
 
   // wait until the callback does not throw an error. In this case, that means
   // it'll wait until the element with the text that says "loading..." is gone.
-  await wait(() => expect(queryByText(/loading\.\.\./i).not.toBeInTheDOM())
+  await wait(() => expect(queryByText(/loading\.\.\./i).not.toBeInTheDOM()))
   getByLabelText('username').value = 'chucknorris'
   // continue doing stuff
 })
@@ -972,7 +972,7 @@ Thanks goes to these people ([emoji key][emojis]):
 | [<img src="https://avatars1.githubusercontent.com/u/29602306?v=4" width="100px;"/><br /><sub><b>Michal Baranowski</b></sub>](https://twitter.com/baranovskim)<br />[📝](#blog-mbaranovski "Blogposts") [✅](#tutorial-mbaranovski "Tutorials") | [<img src="https://avatars3.githubusercontent.com/u/13985684?v=4" width="100px;"/><br /><sub><b>Arthur Puthin</b></sub>](https://github.com/aputhin)<br />[📖](https://github.com/kentcdodds/react-testing-library/commits?author=aputhin "Documentation") | [<img src="https://avatars2.githubusercontent.com/u/21194045?v=4" width="100px;"/><br /><sub><b>Thomas Chia</b></sub>](https://github.com/thchia)<br />[💻](https://github.com/kentcdodds/react-testing-library/commits?author=thchia "Code") [📖](https://github.com/kentcdodds/react-testing-library/commits?author=thchia "Documentation") | [<img src="https://avatars3.githubusercontent.com/u/20430611?v=4" width="100px;"/><br /><sub><b>Thiago Galvani</b></sub>](http://ilegra.com/)<br />[📖](https://github.com/kentcdodds/react-testing-library/commits?author=thiagopaiva99 "Documentation") | [<img src="https://avatars1.githubusercontent.com/u/19828824?v=4" width="100px;"/><br /><sub><b>Christian</b></sub>](http://Chriswcs.github.io)<br />[⚠️](https://github.com/kentcdodds/react-testing-library/commits?author=ChrisWcs "Tests") | [<img src="https://avatars3.githubusercontent.com/u/1571667?v=4" width="100px;"/><br /><sub><b>Alex Krolick</b></sub>](https://alexkrolick.com)<br />[💬](#question-alexkrolick "Answering Questions") [📖](https://github.com/kentcdodds/react-testing-library/commits?author=alexkrolick "Documentation") [💡](#example-alexkrolick "Examples") [🤔](#ideas-alexkrolick "Ideas, Planning, & Feedback") | [<img src="https://avatars3.githubusercontent.com/u/1239401?v=4" width="100px;"/><br /><sub><b>Johann Hubert Sonntagbauer</b></sub>](https://github.com/johann-sonntagbauer)<br />[💻](https://github.com/kentcdodds/react-testing-library/commits?author=johann-sonntagbauer "Code") [📖](https://github.com/kentcdodds/react-testing-library/commits?author=johann-sonntagbauer "Documentation") [⚠️](https://github.com/kentcdodds/react-testing-library/commits?author=johann-sonntagbauer "Tests") |
 | [<img src="https://avatars2.githubusercontent.com/u/2224291?v=4" width="100px;"/><br /><sub><b>Maddi Joyce</b></sub>](http://www.maddijoyce.com)<br />[💻](https://github.com/kentcdodds/react-testing-library/commits?author=maddijoyce "Code") | [<img src="https://avatars2.githubusercontent.com/u/10080111?v=4" width="100px;"/><br /><sub><b>Ryan Vice</b></sub>](http://www.vicesoftware.com)<br />[📖](https://github.com/kentcdodds/react-testing-library/commits?author=RyanAtViceSoftware "Documentation") | [<img src="https://avatars1.githubusercontent.com/u/7942604?v=4" width="100px;"/><br /><sub><b>Ian Wilson</b></sub>](https://ianwilson.io)<br />[📝](#blog-iwilsonq "Blogposts") [✅](#tutorial-iwilsonq "Tutorials") | [<img src="https://avatars2.githubusercontent.com/u/1635491?v=4" width="100px;"/><br /><sub><b>Daniel</b></sub>](https://github.com/InExtremaRes)<br />[🐛](https://github.com/kentcdodds/react-testing-library/issues?q=author%3AInExtremaRes "Bug reports") [💻](https://github.com/kentcdodds/react-testing-library/commits?author=InExtremaRes "Code") | [<img src="https://avatars0.githubusercontent.com/u/767959?v=4" width="100px;"/><br /><sub><b>Giorgio Polvara</b></sub>](https://twitter.com/Gpx)<br />[🐛](https://github.com/kentcdodds/react-testing-library/issues?q=author%3AGpx "Bug reports") [🤔](#ideas-Gpx "Ideas, Planning, & Feedback") | [<img src="https://avatars2.githubusercontent.com/u/132233?v=4" width="100px;"/><br /><sub><b>John Gozde</b></sub>](https://github.com/jgoz)<br />[💻](https://github.com/kentcdodds/react-testing-library/commits?author=jgoz "Code") | [<img src="https://avatars0.githubusercontent.com/u/8203211?v=4" width="100px;"/><br /><sub><b>Sam Horton</b></sub>](https://twitter.com/SavePointSam)<br />[📖](https://github.com/kentcdodds/react-testing-library/commits?author=SavePointSam "Documentation") [💡](#example-SavePointSam "Examples") [🤔](#ideas-SavePointSam "Ideas, Planning, & Feedback") |
 | [<img src="https://avatars2.githubusercontent.com/u/10452163?v=4" width="100px;"/><br /><sub><b>Richard Kotze (mobile)</b></sub>](http://www.richardkotze.com)<br />[📖](https://github.com/kentcdodds/react-testing-library/commits?author=rkotze "Documentation") | [<img src="https://avatars2.githubusercontent.com/u/10819833?v=4" width="100px;"/><br /><sub><b>Brahian E. Soto Mercedes</b></sub>](https://github.com/sotobuild)<br />[📖](https://github.com/kentcdodds/react-testing-library/commits?author=sotobuild "Documentation") | [<img src="https://avatars2.githubusercontent.com/u/7151559?v=4" width="100px;"/><br /><sub><b>Benoit de La Forest</b></sub>](https://github.com/bdelaforest)<br />[📖](https://github.com/kentcdodds/react-testing-library/commits?author=bdelaforest "Documentation") | [<img src="https://avatars3.githubusercontent.com/u/6624197?v=4" width="100px;"/><br /><sub><b>Salah</b></sub>](https://github.com/thesalah)<br />[💻](https://github.com/kentcdodds/react-testing-library/commits?author=thesalah "Code") [⚠️](https://github.com/kentcdodds/react-testing-library/commits?author=thesalah "Tests") | [<img src="https://avatars2.githubusercontent.com/u/370054?v=4" width="100px;"/><br /><sub><b>Adam Gordon</b></sub>](http://gordonizer.com)<br />[🐛](https://github.com/kentcdodds/react-testing-library/issues?q=author%3Aicfantv "Bug reports") [💻](https://github.com/kentcdodds/react-testing-library/commits?author=icfantv "Code") | [<img src="https://avatars2.githubusercontent.com/u/471278?v=4" width="100px;"/><br /><sub><b>Matija Marohnić</b></sub>](https://silvenon.com)<br />[📖](https://github.com/kentcdodds/react-testing-library/commits?author=silvenon "Documentation") | [<img src="https://avatars3.githubusercontent.com/u/8015514?v=4" width="100px;"/><br /><sub><b>Justice Mba</b></sub>](https://github.com/Dajust)<br />[📖](https://github.com/kentcdodds/react-testing-library/commits?author=Dajust "Documentation") |
-| [<img src="https://avatars2.githubusercontent.com/u/5286559?v=4" width="100px;"/><br /><sub><b>Mark Pollmann</b></sub>](https://markpollmann.com/)<br />[📖](https://github.com/kentcdodds/react-testing-library/commits?author=MarkPollmann "Documentation") | [<img src="https://avatars1.githubusercontent.com/u/1213123?v=4" width="100px;"/><br /><sub><b>Ehtesham Kafeel</b></sub>](https://github.com/ehteshamkafeel)<br />[💻](https://github.com/kentcdodds/react-testing-library/commits?author=ehteshamkafeel "Code") [📖](https://github.com/kentcdodds/react-testing-library/commits?author=ehteshamkafeel "Documentation") | [<img src="https://avatars2.githubusercontent.com/u/1493505?v=4" width="100px;"/><br /><sub><b>Julio Pavón</b></sub>](http://jpavon.com)<br />[💻](https://github.com/kentcdodds/react-testing-library/commits?author=jpavon "Code") | [<img src="https://avatars3.githubusercontent.com/u/1765048?v=4" width="100px;"/><br /><sub><b>Duncan L</b></sub>](http://www.duncanleung.com/)<br />[📖](https://github.com/kentcdodds/react-testing-library/commits?author=duncanleung "Documentation") [💡](#example-duncanleung "Examples") | [<img src="https://avatars1.githubusercontent.com/u/700778?v=4" width="100px;"/><br /><sub><b>Tiago Almeida</b></sub>](https://www.linkedin.com/in/tyagow/?locale=en_US)<br />[📖](https://github.com/kentcdodds/react-testing-library/commits?author=tyagow "Documentation") | [<img src="https://avatars2.githubusercontent.com/u/4982001?v=4" width="100px;"/><br /><sub><b>Robert Smith</b></sub>](http://rbrtsmith.com/)<br />[🐛](https://github.com/kentcdodds/react-testing-library/issues?q=author%3Arbrtsmith "Bug reports") |
+| [<img src="https://avatars2.githubusercontent.com/u/5286559?v=4" width="100px;"/><br /><sub><b>Mark Pollmann</b></sub>](https://markpollmann.com/)<br />[📖](https://github.com/kentcdodds/react-testing-library/commits?author=MarkPollmann "Documentation") | [<img src="https://avatars1.githubusercontent.com/u/1213123?v=4" width="100px;"/><br /><sub><b>Ehtesham Kafeel</b></sub>](https://github.com/ehteshamkafeel)<br />[💻](https://github.com/kentcdodds/react-testing-library/commits?author=ehteshamkafeel "Code") [📖](https://github.com/kentcdodds/react-testing-library/commits?author=ehteshamkafeel "Documentation") | [<img src="https://avatars2.githubusercontent.com/u/1493505?v=4" width="100px;"/><br /><sub><b>Julio Pavón</b></sub>](http://jpavon.com)<br />[💻](https://github.com/kentcdodds/react-testing-library/commits?author=jpavon "Code") | [<img src="https://avatars3.githubusercontent.com/u/1765048?v=4" width="100px;"/><br /><sub><b>Duncan L</b></sub>](http://www.duncanleung.com/)<br />[📖](https://github.com/kentcdodds/react-testing-library/commits?author=duncanleung "Documentation") [💡](#example-duncanleung "Examples") | [<img src="https://avatars1.githubusercontent.com/u/700778?v=4" width="100px;"/><br /><sub><b>Tiago Almeida</b></sub>](https://www.linkedin.com/in/tyagow/?locale=en_US)<br />[📖](https://github.com/kentcdodds/react-testing-library/commits?author=tyagow "Documentation") | [<img src="https://avatars2.githubusercontent.com/u/4982001?v=4" width="100px;"/><br /><sub><b>Robert Smith</b></sub>](http://rbrtsmith.com/)<br />[🐛](https://github.com/kentcdodds/react-testing-library/issues?q=author%3Arbrtsmith "Bug reports") | [<img src="https://avatars0.githubusercontent.com/u/1700355?v=4" width="100px;"/><br /><sub><b>Zach Green</b></sub>](https://offbyone.tech)<br />[📖](https://github.com/kentcdodds/react-testing-library/commits?author=zgreen "Documentation") |
 
 <!-- ALL-CONTRIBUTORS-LIST:END -->