uki: make clear that sections at bottom mostly are concerned with loc…

…ations/naming of UKIs/addons

specs/unified_kernel_image.md

@@ -192,7 +192,7 @@ individual resources listed above at once, and their combination. Standard Linux
 [`pesign`](https://github.com/rhboot/pesign) can be used to sign UKI files. The signature format and process
 again match the ones already used for PE files, so they will not be redefined here.
 
-## Distribution-built UKIs Installed by Package Managers
+## Locations for Distribution-built UKIs Installed by Package Managers
 
 UKIs that are built centrally by distributions and installed via the package manager should be installed in
 `/usr/lib/modules/$UNAME/`, where `$UNAME` is the output of `uname -r` of the kernel included in the UKI, so
@@ -201,13 +201,12 @@ that tools staging or consuming UKIs have a common place to store and look for t
 The installed UKIs should have a filename `<version format specification>.efi`, i.e. the filename is left to
 implementers but must be valid for comparisons according to the [Version Format Specification](version_format_specification.md).
 
-### Auxiliary resources
+## Locations and Naming for UKI Auxiliary Resources
 
-Auxiliary UKI resources (such as PE addons for command line extensions and similar,
-as well as systemd-sysext and systemd-confext DDIs) built centrally by distributions and
-installed via package manager should be installed into locations depending on
-whether they should be applied to all UKIs installed in the ESP, or only to a
-single specific UKI.
+Auxiliary UKI resources (such as PE addons for kernel command line extensions and similar, as well as
+systemd-sysext and systemd-confext DDIs) built centrally by distributions and installed via package manager
+should be installed into locations depending on whether they should be applied to all UKIs installed in the
+ESP, or only to a single specific UKI.
 
 UKI auxiliary resources that apply to *all* installed UKIs should be
 installed into `/usr/lib/modules/uki.extra.d/`. UKI auxiliary resources that
@@ -222,7 +221,7 @@ depends on the resource type:
 * `.sysext.raw` for sysext DDIs,
 * `.confext.raw` for confext DDIs
 
-#### Example
+### Example
 
 Given a UKI `bar_123.efi` that includes a kernel `6.9.1-1.foo`, consider
 * a PE addon `machine-id` that should apply to all installed UKIs,