More detailed comments

Signed-off-by: RD WebDesign <github@rdwebdesign.com.br>

.github/workflows/stale_pr.yml

@@ -1,7 +1,7 @@
 name: Close stale PR
 # This action will add a `stale` label and close immediately every PR that meets the following conditions:
 # - it is already marked with "merge conflict" label
-# - the "merge conflict" label was added more than 30 days before.
+# - there was no update/comment on the PR in the last 30 days.
 
 on:
  schedule:
@@ -20,9 +20,11 @@ jobs:
  - uses: actions/stale@v7.0.0
  with:
  repo-token: ${{ secrets.GITHUB_TOKEN }}
- # Do not mark a PR as stale
+ # Do not automatically mark PR/issue as stale
  days-before-stale: -1
+ # Override 'days-before-stale' for PR only
  days-before-pr-stale: 30
+ # Close PRs immediately, after marking them 'stale'
  days-before-pr-close: 0
  # only run the action on merge conflict PR
  any-of-labels: 'Merge conflicts'