Use hyphenated "remote-tracking branch" (docs and comments)

Use the obvious consensus of hyphenated "remote-tracking branch", and
fix an obvious typo, all in documentation and comments.

Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Documentation/git-submodule.txt

diff --git a/Documentation/git-submodule.txt b/Documentation/git-submodule.txt
index 71c5618..d654197 100644
--- a/Documentation/git-submodule.txt
+++ b/Documentation/git-submodule.txt
@@ -42,8 +42,8 @@
 when following the rules for relative URLs - because the evaluation
 of relative URLs in Git is identical to that of relative directories).
 +
-The default remote is the remote of the remote tracking branch
-of the current branch. If no such remote tracking branch exists or
+The default remote is the remote of the remote-tracking branch
+of the current branch. If no such remote-tracking branch exists or
 the HEAD is detached, "origin" is assumed to be the default remote.
 If the superproject doesn't have a default remote configured
 the superproject is its own authoritative upstream and the current

builtin/branch.c

diff --git a/builtin/branch.c b/builtin/branch.c
index 8dcc2ed..a64e435 100644
--- a/builtin/branch.c
+++ b/builtin/branch.c
@@ -698,7 +698,7 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
 		 * If no sorting parameter is given then we default to sorting
 		 * by 'refname'. This would give us an alphabetically sorted
 		 * array with the 'HEAD' ref at the beginning followed by
-		 * local branches 'refs/heads/...' and finally remote-tacking
+		 * local branches 'refs/heads/...' and finally remote-tracking
 		 * branches 'refs/remotes/...'.
 		 */
 		if (!sorting)

builtin/pull.c

diff --git a/builtin/pull.c b/builtin/pull.c
index 511dbbe..f02009c 100644
--- a/builtin/pull.c
+++ b/builtin/pull.c
@@ -666,7 +666,7 @@ static const char *get_upstream_branch(const char *remote)
 }
 
 /**
- * Derives the remote tracking branch from the remote and refspec.
+ * Derives the remote-tracking branch from the remote and refspec.
  *
  * FIXME: The current implementation assumes the default mapping of
  * refs/heads/<branch_name> to refs/remotes/<remote_name>/<branch_name>.
@@ -704,7 +704,7 @@ static const char *get_tracking_branch(const char *remote, const char *refspec)
 
 /**
  * Given the repo and refspecs, sets fork_point to the point at which the
- * current branch forked from its remote tracking branch. Returns 0 on success,
+ * current branch forked from its remote-tracking branch. Returns 0 on success,
  * -1 on failure.
  */
 static int get_rebase_fork_point(struct object_id *fork_point, const char *repo,