Auto-Revert mode, Emacs periodically checks all file buffers and
reverts any when the corresponding file has changed. The local
variant, Auto-Revert mode, applies only to buffers in which it was
-activated. Checking the files is done at intervals determined by the
-variable @code{auto-revert-interval}.
+activated. The variable @code{auto-revert-interval} controls how
+often to check for a changed file. Since checking a remote file is
+too slow, these modes do not check or revert remote files.
@node Auto Save
@section Auto-Saving: Protection Against Disasters