Apply suggestions from code review

Co-authored-by: Mark Byrne <31762852+mbyrnepr2@users.noreply.github.com>

Author: Pierre-Sassoulas

pylint/checkers/non_ascii_names.py

@@ -47,9 +47,8 @@ class NonAsciiNameChecker(base_checker.BaseChecker):
             "non-ascii-file-name",
             (
                 # Some = PyCharm at the time of writing didn't display the non_ascii_name_loł
-                # files and had big troubles with git. Probably only a bug shows the problem
-                # quite good. That's also why this is a warning and not only a convention!
-                "Under python 3.5, PEP 3131 only allows non-ascii identifiers, not file names."
+                # files. That's also why this is a warning and not only a convention!
+                "Under python 3.5, PEP 3131 allows non-ascii identifiers, but not non-ascii file names."
                 "Since Python 3.5, even though Python supports UTF-8 files, some editors or tools "
                 "don't."
             ),