Merge pull request #5712 from mone27/master

Fixed typo in Readme

README.md

@@ -17,7 +17,7 @@
 An extensible environment for interactive and reproducible computing, based on the
 Jupyter Notebook and Architecture. [Currently ready for users.](https://blog.jupyter.org/jupyterlab-is-ready-for-users-5a6f039b8906)
 
-[JupyterLab](http://jupyterlab.readthedocs.io/en/stable/) is the next-generation user interface for [Project Jupyter](https://jupyter.org)offering
+[JupyterLab](http://jupyterlab.readthedocs.io/en/stable/) is the next-generation user interface for [Project Jupyter](https://jupyter.org) offering
 all the familiar building blocks of the classic Jupyter Notebook (notebook,
 terminal, text editor, file browser, rich outputs, etc.) in a flexible and
 powerful user interface.