diff-options.txt: document the new "--dirstat" option

diff --git a/Documentation/git-submodule.txt b/Documentation/git-submodule.txt
index e96bf365213c3321e9721dc2baa87ad278dfcb26..6ffd896fbc78b783a7e00ed462f879cbff29d758 100644 (file)
--- a/Documentation/git-submodule.txt
+++ b/Documentation/git-submodule.txt
@@ -19,8 +19,9 @@ COMMANDS
 --------
 add::
        Add the given repository as a submodule at the given path
-       to the changeset to be committed next.  In particular, the
-       repository is cloned at the specified path, added to the
+       to the changeset to be committed next.  If path is a valid
+       repository within the project, it is added as is. Otherwise,
+       repository is cloned at the specified path. path is added to the
        changeset and registered in .gitmodules.   If no path is
        specified, the path is deduced from the repository specification.
        If the repository url begins with ./ or ../, it is stored as
@@ -69,7 +70,7 @@ OPTIONS
 -n, --summary-limit::
        This option is only valid for the summary command.
        Limit the summary size (number of commits shown in total).
-       Giving 0 will disable the summary; a negative number means unlimted
+       Giving 0 will disable the summary; a negative number means unlimited
        (the default). This limit only applies to modified submodules. The
        size is always limited to 1 for added/deleted/typechanged submodules.