Documentation: do not use undefined terms git-dir and git-file

diff --git a/Documentation/gitmodules.txt b/Documentation/gitmodules.txt
index ab3e91c054ca7b4dcf7373b0aac839c18275a791..6a1ca4abad73631c13a4d074deb11102289a0d43 100644 (file)
--- a/Documentation/gitmodules.txt
+++ b/Documentation/gitmodules.txt
@@ -13,7 +13,7 @@ $GIT_WORK_DIR/.gitmodules
 DESCRIPTION
 -----------
 
-The `.gitmodules` file, located in the top-level directory of a git
+The `.gitmodules` file, located in the top-level directory of a Git
 working tree, is a text file with a syntax matching the requirements
 of linkgit:git-config[1].
 
@@ -24,7 +24,7 @@ option of 'git submodule add'. Each submodule section also contains the
 following required keys:
 
 submodule.<name>.path::
-       Defines the path, relative to the top-level directory of the git
+       Defines the path, relative to the top-level directory of the Git
        working tree, where the submodule is expected to be checked out.
        The path name must not end with a `/`. All submodule paths must
        be unique within the .gitmodules file.
@@ -49,6 +49,11 @@ submodule.<name>.update::
        This config option is overridden if 'git submodule update' is given
        the '--merge', '--rebase' or '--checkout' options.
 
+submodule.<name>.branch::
+       A remote branch name for tracking updates in the upstream submodule.
+       If the option is not specified, it defaults to 'master'.  See the
+       `--remote` documentation in linkgit:git-submodule[1] for details.
+
 submodule.<name>.fetchRecurseSubmodules::
        This option can be used to control recursive fetching of this
        submodule. If this option is also present in the submodules entry in