[PATCH/RFC] Cleanup Documentation

[Kaartic Sivaraam <kaarticsivaraam91196@gmail.com>]

Make following changes to the git-submodule
documentation:

* Remove redundancy
* Remove unclear back reference
* Use more appropriate word
* Quote important word

Suggestions-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Kaartic Sivaraam <kaarticsivaraam91196@gmail.com>
---
 Currently used the word "canonical" instead of "humanish". If that word
 sounds more suitable then this is a [PATCH] and not a [PATCH/RFC].


 Documentation/git-submodule.txt | 37 +++++++++++++++----------------------
 1 file changed, 15 insertions(+), 22 deletions(-)

diff --git a/Documentation/git-submodule.txt b/Documentation/git-submodule.txt
index 74bc6200d..045fef417 100644
--- a/Documentation/git-submodule.txt
+++ b/Documentation/git-submodule.txt
@@ -63,14 +63,6 @@ add [-b <branch>] [-f|--force] [--name <name>] [--reference <repository>] [--dep
 	to the changeset to be committed next to the current
 	project: the current project is termed the "superproject".
 +
-This requires at least one argument: <repository>. The optional
-argument <path> is the relative location for the cloned submodule
-to exist in the superproject. If <path> is not given, the
-"humanish" part of the source repository is used ("repo" for
-"/path/to/repo.git" and "foo" for "host.xz:foo/.git").
-The <path> is also used as the submodule's logical name in its
-configuration entries unless `--name` is used to specify a logical name.
-+
 <repository> is the URL of the new submodule's origin repository.
 This may be either an absolute URL, or (if it begins with ./
 or ../), the location relative to the superproject's default remote
@@ -87,21 +79,22 @@ If the superproject doesn't have a default remote configured
 the superproject is its own authoritative upstream and the current
 working directory is used instead.
 +
-<path> is the relative location for the cloned submodule to
-exist in the superproject. If <path> does not exist, then the
-submodule is created by cloning from the named URL. If <path> does
-exist and is already a valid Git repository, then this is added
-to the changeset without cloning. This second form is provided
-to ease creating a new submodule from scratch, and presumes
-the user will later push the submodule to the given URL.
+The optional argument <path> is the relative location for the cloned
+submodule to exist in the superproject. If <path> is not given, the
+canonical part of the source repository is used ("repo" for
+"/path/to/repo.git" and "foo" for "host.xz:foo/.git"). If <path>
+exists and is already a valid Git repository, then this is added
+to the changeset without cloning. The <path> is also used as the
+submodule's logical name in its configuration entries unless `--name`
+is used to specify a logical name.
 +
-In either case, the given URL is recorded into .gitmodules for
-use by subsequent users cloning the superproject. If the URL is
-given relative to the superproject's repository, the presumption
-is the superproject and submodule repositories will be kept
-together in the same relative location, and only the
-superproject's URL needs to be provided: git-submodule will correctly
-locate the submodule using the relative URL in .gitmodules.
+The given URL is recorded into `.gitmodules` for use by subsequent users
+cloning the superproject. If the URL is given relative to the
+superproject's repository, the presumption is the superproject and
+submodule repositories will be kept together in the same relative
+location, and only the superproject's URL needs to be provided.
+git-submodule will correctly locate the submodule using the relative
+URL in .gitmodules.
 
 status [--cached] [--recursive] [--] [<path>...]::
 	Show the status of the submodules. This will print the SHA-1 of the
-- 
2.11.0