1 files changed, 7 insertions, 0 deletions

diff --git a/doc/misc/dired-x.texi b/doc/misc/dired-x.texi
index f26680ff072..b7114dc9225 100644
--- a/doc/misc/dired-x.texi
+++ b/doc/misc/dired-x.texi
@@ -704,6 +704,13 @@ to add rules for @samp{.foo} and @samp{.bar} file extensions, write
 @noindent
 This will override any predefined rules for the same extensions.
 
+@item dired-guess-shell-case-fold-search
+@vindex dired-guess-shell-case-fold-search
+Default: @code{t}
+
+Non-@code{nil} means @code{dired-guess-shell-alist-default} and
+@code{dired-guess-shell-alist-user} are matched case-insensitively.
+
 @item dired-guess-shell-gnutar
 @vindex dired-guess-shell-gnutar
 @cindex Passing GNU Tar its @samp{z} switch.