more prose

Signed-off-by: Christopher Obbard <chris.obbard@collabora.com>

.github/workflows/build-images.yaml

@@ -48,16 +48,15 @@ jobs:
     #  - https://github.blog/changelog/2023-02-23-hardware-accelerated-android-virtualization-on-actions-windows-and-linux-larger-hosted-runners/
     #
     # Use a self-hosted runner (with access to /dev/kvm) tagged with `kvm` if
-    # te branch is part of the go-debos organisation. Otherwise, run on a shared
+    # the branch is part of the go-debos organisation. Otherwise, run on a shared
     # runner without any nested virtualisation.
     runs-on: ${{ github.repository_owner == 'go-debos' && 'kvm' || 'ubuntu-latest' }}
 
-    # TODO: attempt to disable fakemachine on github actions instead of running under UML ?
     steps:
       - name: Checkout repository
         uses: actions/checkout@v3
 
-      - name: Set up qemu-user-static
+      - name: Set up qemu-user-static (required for --disable-fakemachine)
         uses: docker/setup-qemu-action@v2
 
       - name: Determine if machine has nested virtualisation
@@ -71,6 +70,9 @@ jobs:
       - name: Create output directory
         run: mkdir out
 
+      # If no kvm available, run without fakemachine (e.g. directly on the host)
+      # as running without nested virtualisation (e.g. uml/qemu backends) are
+      # far too slow.
       - name: Build rpi64 image
         run:
           docker run