[PATCH v2] t/README: the test repo does not have global or system configs

[Philip Oakley <philipoakley@iee.email>]

Also, fix minor wording mistake in referenced config section.

Signed-off-by: Philip Oakley <philipoakley@iee.email>
---
The basic --local config also doesn't appear to be well defined here.
test-lib.sh sets GIT_TEMPLATE_DIR="$GIT_BUILD_DIR"/templates/blt
If no config template then..? e.g. G-F-W
[core]
	repositoryformatversion = 0
	filemode = false
	bare = false
	logallrefupdates = true
	symlinks = false
	ignorecase = true
---
 Documentation/git-config.txt | 2 +-
 t/README                     | 7 +++++++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/Documentation/git-config.txt b/Documentation/git-config.txt
index 899e92a1c9..d4c792076d 100644
--- a/Documentation/git-config.txt
+++ b/Documentation/git-config.txt
@@ -107,7 +107,7 @@ OPTIONS
 	For writing options: write to global `~/.gitconfig` file
 	rather than the repository `.git/config`, write to
 	`$XDG_CONFIG_HOME/git/config` file if this file exists and the
-	`~/.gitconfig` file doesn't.
+	`~/.gitconfig` file if it doesn't.
 +
 For reading options: read only from global `~/.gitconfig` and from
 `$XDG_CONFIG_HOME/git/config` rather than from all available files.
diff --git a/t/README b/t/README
index 60d5b77bcc..71946902d7 100644
--- a/t/README
+++ b/t/README
@@ -485,6 +485,13 @@ This test harness library does the following things:
    the --root option documented above, and a '.stress-<N>' suffix
    appended by the --stress option.
 
+ - The test framework sets GIT_CONFIG_NOSYSTEM=1, thus ignoring any
+   --system config files. The --global config is redirected through
+   the environment variables. It unsets the $XDG_CONFIG_HOME variable
+   and sets HOME="$TRASH_DIRECTORY" for the tests.
+   A basic --local config is created in the test repository.
+   See linkgit:git-config[1].
+
  - Defines standard test helper functions for your scripts to
    use.  These functions are designed to make all scripts behave
    consistently when command line arguments --verbose (or -v),
-- 
2.23.0.windows.1.21.g947f504ebe8.dirty