message: Add reminder about changelog
diff: @@ -19,7 +19,7 @@ Please delete options that are not relevant.
  - [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
  - [ ] This change requires a documentation update
  -## How Has This Been Tested?
  +## How has this been tested?
  Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce.
  @@ -27,3 +27,9 @@ Please also list any relevant details for your test configuration
  - [ ] Test A: xxx
  - [ ] Test B: xxx
  +
  +## Is this change properly documented?
  +
  +Please make sure you've properly documented the changes you're making.
  +
  +Don't forget to add an entry to the CHANGELOG if necessary (new features, breaking changes, relevant internal improvements).
  