* doc/lispref/files.texi: Likewise.
abbreviations to use for file directories. Each element has the form
@code{(@var{from} . @var{to})}, and says to replace @var{from} with
@var{to} when it appears in a directory name. The @var{from} string is
-actually a regular expression; it should always start with @samp{\`}.
+actually a regular expression; it ought to always start with @samp{\`}.
The @var{to} string should be an ordinary absolute directory name. Do
not use @samp{~} to stand for a home directory in that string. The
function @code{abbreviate-file-name} performs these substitutions.
A list of elements of the form (FROM . TO), each meaning to replace
FROM with TO when it appears in a directory name. This replacement is
done when setting up the default directory of a newly visited file.
-*Every* FROM string should start with \"\\\\`\".
+*Every* FROM string ought to start with \"\\\\`\".
FROM and TO should be equivalent names, which refer to the
same directory. Do not use `~' in the TO strings;