doc: config, tell readers of `git help --config`
The `git help` command gained the ability to list config variables in
3ac68a93fd (help: add --config to list all available config, 2018-05-26)
but failed to tell readers of the config documenation itself.
Provide that cross reference.
Signed-off-by: Philip Oakley <philipoakley@iee.email>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/Documentation/git-config.txt b/Documentation/git-config.txt
index 2dc4bae..992225f 100644
--- a/Documentation/git-config.txt
+++ b/Documentation/git-config.txt
@@ -71,6 +71,9 @@
On success, the command returns the exit code 0.
+A list of all available configuration variables can be obtained using the
+`git help --config` command.
+
[[OPTIONS]]
OPTIONS
-------
