docs: fix spacing in admin/editorial phrase in README

Author: ankit02327

readme.md

@@ -2,7 +2,7 @@
 
 This is a demonstration project for the amazing [Wagtail CMS](https://github.com/wagtail/wagtail).
 
-The demo site is designed to provide examples of common features and recipes to introduce you to Wagtail development. Beyond the code, it will also let you explore the admin / editorial interface of the CMS.
+The demo site is designed to provide examples of common features and recipes to introduce you to Wagtail development. Beyond the code, it will also let you explore the admin/editorial interface of the CMS.
 
 Note we do _not_ recommend using this project to start your own site - the demo is intended to be a springboard to get you started. Feel free to copy code from the demo into your own project.