Update .github/pull_request_template.md

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: aramprice

.github/pull_request_template.md

@@ -2,8 +2,8 @@ NOTE: this repository uses a "Merge Forward" strategy
 
 Changes should be made in the earliest applicable branch, and
 merged forward through subsequent branches.
-1. Create a PR into the oldest branch (`ubuntu-<short_name_0>`)
-2. After this PR has been merged, create a `merge-to-<next-short_name>` branch
-3. Merge `ubuntu-<short_name_0>` into `merge-to-<next-short_name>`
-4. Create a PR to merge `merge-to-<next-short_name>` into `ubuntu-<next-short_name>`
+1. Create a PR into the oldest branch (`ubuntu-<short_name>`)
+2. After this PR has been merged create a `merge-to-<next_short_name>` branch
+3. Merge `ubuntu-<short_name>` into `merge-to-<next_short_name>`
+4. Create a PR to merge `merge-to-<next_short_name>` into `ubuntu-<next_short_name>`
 5. Repeat as needed for subsequent branches