Clarify some wording for Ubuntu ecosystem (#220)

Signed-off-by: Oliver Chang <[email protected]>
ossf · Jan 16, 2024 · f5a034b · f5a034b
1 parent 705ff28
commit f5a034b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/docs/schema.md b/docs/schema.md
@@ -634,7 +634,7 @@ The defined ecosystems are:
 | `Rocky Linux` | The Rocky Linux package ecosystem; the `name` is the name of the source package. The ecosystem string might optionally have a `:<RELEASE>` suffix to scope the package to a particular Rocky Linux release. `<RELEASE>` is a numeric version.
 | `RubyGems` | The RubyGems ecosystem; the `name` field is a gem name.  |
 | `SwiftURL` | The Swift Package Manager ecosystem. The `name` is a Git URL to the source of the package. Versions are Git tags that comform to [SemVer 2.0](https://docs.swift.org/package-manager/PackageDescription/PackageDescription.html#version). |
-| `Ubuntu` | The Ubuntu package ecosystem; the `name` field is the name of the source package. The ecosystem string has a `:<RELEASE>` suffix to scope the package to a particular Ubuntu release. `<RELEASE>` is a numeric version as specified in [Ubuntu Releases](https://wiki.ubuntu.com/Releases). Also, the ecosystem string might optionally have a `:Pro:` prefix to Ubuntu Pro (aka Expanded Security Maintenance (ESM)) updates. For example, the ecosystem string "Ubuntu:22.04:LTS" refers to Ubuntu 22.04 LTS (jammy), while "Ubuntu:Pro:18.04:LTS" refers to fixes that landed in Ubuntu 18.04 LTS (bionic) under Ubuntu Pro/ESM.
+| `Ubuntu` | The Ubuntu package ecosystem; the `name` field is the name of the source package. The ecosystem string has a `:<RELEASE>` suffix to scope the package to a particular Ubuntu release. `<RELEASE>` is a numeric ("YY.MM") version as specified in [Ubuntu Releases](https://wiki.ubuntu.com/Releases), with a mandatory `:LTS` suffix if the release is marked as LTS. The release version may also be prefixed with `:Pro:` to denote Ubuntu Pro (aka Expanded Security Maintenance (ESM)) updates. For example, the ecosystem string "Ubuntu:22.04:LTS" refers to Ubuntu 22.04 LTS (jammy), while "Ubuntu:Pro:18.04:LTS" refers to fixes that landed in Ubuntu 18.04 LTS (bionic) under Ubuntu Pro/ESM.
 | Your ecosystem here. | [Send us a PR](https://github.com/ossf/osv-schema/compare). |
 
 It is permitted for a database name (the DB prefix in the `id` field) and an