documentation: add tutorial for first contribution

diff --git a/Documentation/git-config.txt b/Documentation/git-config.txt
index 7d857f34c6fd3069e8a47bb19dd84b876b83bf56..ff9310f9588a4a13028d1d4182a056262e1079d4 100644 (file)
--- a/Documentation/git-config.txt
+++ b/Documentation/git-config.txt
@@ -240,7 +240,9 @@ Valid `<type>`'s include:
        output.  The optional `default` parameter is used instead, if
        there is no color configured for `name`.
 +
-`--type=color [--default=<default>]` is preferred over `--get-color`.
+`--type=color [--default=<default>]` is preferred over `--get-color`
+(but note that `--get-color` will omit the trailing newline printed by
+`--type=color`).
 
 -e::
 --edit::