Clarifies File module docs re: absent state (#28748)

- The passage beginning "Note that file will not fail..." was slightly
  unclear about the fact that it referred to the behavior of the module
  when `state` is set to `absent`.
- Fixes #23203

lib/ansible/modules/files/file.py

@@ -46,7 +46,8 @@ options:
         or M(template) module if you want that behavior.  If C(link), the symbolic
         link will be created or changed. Use C(hard) for hardlinks. If C(absent),
         directories will be recursively deleted, and files or symlinks will be unlinked.
-        Note that C(file) will not fail if the C(path) does not exist as the state did not change.
+        Note that C(absent) will not cause C(file) to fail if the C(path) does not exist
+        as the state did not change.
         If C(touch) (new in 1.4), an empty file will be created if the C(path) does not
         exist, while an existing file or directory will receive updated file access and
         modification times (similar to the way `touch` works from the command line).