* doc/misc/dired-x.texi (Shell Command Guessing): Clarify
wording in description of 'dired-guess-shell-alist-user'.
Avoid passive tense. (Bug#32733)
that evaluates to a string. If several commands are given, all of
them will temporarily be pushed onto the history.
-A @samp{*} in the shell command is replaced by the file name.
+A @samp{*} in the shell command stands for the file name that matched
+@var{regexp}. When Emacs invokes the @var{command}, it replaces each
+instance of @samp{*} with the matched file name.
You can set this variable in your @file{~/.emacs}. For example,
to add rules for @samp{.foo} and @samp{.bar} file extensions, write