index: Fix typos and add external SLAM tracking asterisk

index.md

@@ -27,9 +27,9 @@ systems such as Windows in the near future.
 
 ## Google Summer of Code 2022
 
-We are happy to announce that Monado have been selected for
-[Google Summer of Code 2022](https://summerofcode.withgoogle.com/). Project
-and additional information is available on the Monado
+We are happy to announce that Monado has been selected for
+[Google Summer of Code 2022](https://summerofcode.withgoogle.com/).
+The list of projects and additional information are available on the Monado
 [proposal guide](https://monado.freedesktop.org/gsoc-proposal-guide.html) and
 [project ideas](https://monado.freedesktop.org/gsoc-2022.html) page.
 
@@ -72,13 +72,15 @@ These are the XR devices that are natively supported with open source drivers in
 | HTC Vive | Yes | LH 1.0: No | Yes | Supported by OpenHMD, Monado "vive", or Monado "survive" |
 | HTC Vive Pro | Yes | LH 1.0: No, LH 2.0: Early WIP| Yes | Supported by OpenHMD, Monado "vive", or Monado "survive" |
 | Valve Index | Yes | LH 1.0: No, LH 2.0: Early WIP | Yes | Supported by Monado "vive", or Monado "survive" |
-| North Star | Yes, with Intel Realsense T265 | Yes, with Intel Realsense T265 | Yes, 3D and 2D/Polynomial | |
+| North Star | Yes, with Intel Realsense T265* | Yes, with Intel Realsense T265* | Yes, 3D and 2D/Polynomial | |
 | PSVR | Yes | [Yes, with PS4 camera or generic stereo camera]({% link positional-tracking-psmove.md %}) | Yes | distortion correction is WIP. Requires workaround on AMD GPUs[^yuv_edid]. |
 | Playstation Move | Yes | [Yes, with PS4 or generic stereo camera]({% link positional-tracking-psmove.md %}) | - | rotational drift correction is WIP |
 | Hydra Controller | Yes | Yes | - | |
 | Daydream Controller | Yes | - | - | |
 | DIY arduino controller | Yes | - | - | |
-| Windows MR | Yes | - | Yes | HMD only, no controllers. Tested: HP Reverb, HP Reverb G2, Samsung Odyssey, Lenovo Explorer, others: *maybe*. |
+| Windows MR | Yes | Experimental* | Yes | HMD only, no controllers. Tested: HP Reverb, HP Reverb G2, Samsung Odyssey, Lenovo Explorer, others: *maybe*. |
+
+\* _Experimental 6DoF tracking support with external SLAM/VIO systems is upstreamed but still being worked on. Tested with RealSense D455 and Samsung Odyssey+._
 
 Monado also leverages the open source drivers developed by the OpenHMD community
 for further HMD support.