Merge pull request #106 from nschloe/typo

readme typo

Author: nschloe

README.md

@@ -11,11 +11,11 @@
 [![PyPi downloads](https://img.shields.io/pypi/dm/pygalmesh.svg?style=flat-square)](https://pypistats.org/packages/pygalmesh)
 
 [![Slack](https://img.shields.io/static/v1?logo=slack&label=chat&message=on%20slack&color=4a154b&style=flat-square)](https://join.slack.com/t/nschloe/shared_invite/zt-cofhrwm8-BgdrXAtVkOjnDmADROKD7A
+)
 
 [![CircleCI](https://img.shields.io/circleci/project/github/nschloe/pygalmesh/master.svg?style=flat-square)](https://circleci.com/gh/nschloe/pygalmesh/tree/master)
 [![LGTM](https://img.shields.io/lgtm/grade/python/github/nschloe/pygalmesh.svg?style=flat-square)](https://lgtm.com/projects/g/nschloe/pygalmesh)
 [![Code style: black](https://img.shields.io/badge/code%20style-black-000000.svg?style=flat-square)](https://github.com/psf/black)
-)
 
 pygalmesh is a Python frontend to [CGAL](https://www.cgal.org/)'s [3D mesh generation
 capabilities](https://doc.cgal.org/latest/Mesh_3/index.html).