Update README.md

Co-authored-by: Anssi Kostiainen <[email protected]>

README.md

@@ -1,6 +1,6 @@
 # Device Orientation and Motion Specification
 
-This is the repository in which the W3C's [Device Orientation and Motion](https://www.w3.org/TR/orientation-event/) specification, which is jointly maintained [Device and Sensors Working Group](https://www.w3.org/groups/wg/das/) and the [Web Applications Working Group](https://www.w3.org/groups/wg/webapps/).
+This is the repository in which the W3C's [Device Orientation and Motion](https://www.w3.org/TR/orientation-event/) specification is jointly maintained by the [Devices and Sensors Working Group](https://www.w3.org/groups/wg/das/) and the [Web Applications Working Group](https://www.w3.org/groups/wg/webapps/).
 
 ## Contributing to this specification