apply suggestions from code review

Co-authored-by: 🇺🇦 Sviatoslav Sydorenko (Святослав Сидоренко) <wk.cvs.github@sydorenko.org.ua>

Author: dzhalaevd

.github/chronographer.yml

@@ -7,7 +7,7 @@ action-hints:
     Add file under `changelog.d/` like:
     `123.changed.rst`
 
-    If this change doesn't user-facing, apply the `skip-changelog` label.
+    If this change isn't user-facing, ask the maintainers to apply the `skip-changelog` label. Please, include a justification.
 enforce-name:
   suffix: .rst
 labels: