git-config: document interactive.singlekey requires Term::ReadKey

Most distributions don't require Term::ReadKey as dependency, leaving
the user to wonder why the setting doesn't work.

Signed-off-by: Simon Ruderich <simon@ruderich.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/Documentation/config.txt b/Documentation/config.txt
index ab26963d61877a2f8e03a3532ace5b31bc68738e..7c3f67237cb3f54fd53682199fddd55ceae659fc 100644 (file)
--- a/Documentation/config.txt
+++ b/Documentation/config.txt
@@ -1629,7 +1629,7 @@ interactive.singlekey::
        linkgit:git-add[1], linkgit:git-checkout[1], linkgit:git-commit[1],
        linkgit:git-reset[1], and linkgit:git-stash[1]. Note that this
        setting is silently ignored if portable keystroke input
-       is not available.
+       is not available; requires the Perl module Term::ReadKey.
 
 log.abbrevCommit::
        If true, makes linkgit:git-log[1], linkgit:git-show[1], and