Fixed typo in Readme

README.md

@@ -28,4 +28,4 @@ You can see the full explanation in my [blog post](https://erdalpekel.de/?p=55).
 
 ## Extension: _MoveIt!_ constraint-aware planning
 
-This repository was extended with a _MoveIt!_ planning where the motion planning pipeline avoids collision objects in the environment specified by the user in a separate directory (`~/.panda_simulation`) as _JSON_ files. You can read more about it in the accompanying [blog post](https://erdalpekel.de/?p=123).
+This repository was extended with a ROS node that communicates with the _MoveIt!_ Planning Scene API. It makes sure that the motion planning pipeline avoids collision objects in the environment specified by the user in a separate directory (`~/.panda_simulation`) as _JSON_ files. You can read more about it in the accompanying [blog post](https://erdalpekel.de/?p=123).