elaborate on scope and engagement: address PR review feedback

Signed-off-by: Thilo Fromm <thilofromm@microsoft.com>

Author: t-lo

content/_index.md

@@ -7,35 +7,31 @@ BookToC: false
 
 # The Linux Userspace API (UAPI) Group
 
-The userspace API ("uapi") group is a community for people with an interest in innovating how we build, deploy, run, and safely update modern Linux operating systems.
+The userspace API ("uapi") group is a community for people with an interest in innovating how we build, deploy, run, and securely update modern Linux operating systems.
 It serves as a central gathering place for specs, documentation, and ideas.
 
-The group is in the process of constituting itself and is exploring the problem space relevant to us.
+The group is in the process of constituting itself and is exploring the problem space.
 In the general scope of the group are trusted boot mechanisms, kernel / disk image formats, TPM usage, safe and secure updates, and related topics.
 The group also cares about interop of image-based and/or immutable Linux distributions.
-The group is in its inception, so the list of topics is by no means complete - other relevant topics related to the above might be added in the future.
+The group is in its inception, so the list of topics is by no means complete.
+Other relevant topics related to the above might be added in the future.
 
 The UAPI group aims to establish specifications for common concepts shared among relevant parties.
-We are open to anyone who has an interest in constructive collaboration to to join the discussions, and to represent the directions and interests of their projects and distributions.
-
-Contributing members include people from 
-Red Hat / Fedora CoreOS ( [@travier](https://github.com/travier), [@dvdhrm](https://github.com/dvdhrm), [@gicmo](https://github.com/gicmo)),
-Flatpak ([@wjt](https://github.com/wjt)), mkosi ([@behrmann](https://github.com/behrmann)),
-gnomeos ([@alatiera](https://github.com/alatiera)),
-Meta ([DaanDeMeyer](https://github.com/DaanDeMeyer)),
-Arch Linux ([@Foxboron](https://github.com/Foxboron)),
-systemd ([@bluca](https://github.com/bluca), [poettering](https://github.com/poettering), [@brauner](https://github.com/brauner)),
-Flatcar ([@jepio](https://github.com/jepio), [@pothos](https://github.com/pothos), [@t-lo](https://github.com/t-lo))
-and others.
+We are open to anyone who has an interest in constructive collaboration to join the discussions, and to represent the directions and interests of their projects and distributions.
 
+Contributing members include people from Ubuntu Core, Debian, GNOME OS, Fedora CoreOS, Endless OS, Arch Linux, SUSE, Flatcar, 
+systemd, image-builder/osbuild, mkosi, tpm2-software, System Transparency, buildstream, BTRFS, rpm-ostree,
+Microsoft, Amazon, and Meta.
 
 ## Engage with the Group
 
 Our main means of engagement is Github.
-Please check out the group's [Github discussions](https://github.com/orgs/uapi-group/discussions) for general ongoing conversations - don't hesitate to tune in and share your thoughts!
-Feel free to start a new discussion if none exists for whatever brings you here - but please keep the group's focus in mind and do not stray off-topic.
+Please check out the group's [Github discussions](https://github.com/orgs/uapi-group/discussions) for general ongoing conversations.
+Don't hesitate to tune in and share your thoughts!
+Feel free to start a new discussion if none exists for whatever brings you here.
+Please keep the group's focus in mind and do not stray off-topic.
 
-Check out the group's repos at the [UAPI group github org](https://github.com/uapi-group) to get an overview of existing work.
+Check out the group's repos at the [uapi group github org](https://github.com/uapi-group) to get an overview of existing work.
 To engage with specific content please file issues and / or PRs directly to the [specifications](https://github.com/uapi-group/specifications/),
 [docs](https://github.com/uapi-group/docs/), and [kernel feature ideas](https://github.com/uapi-group/kernel-features/) repositories, respectively.