git-remote.txt: fix wrong remote refspec

$GIT_DIR/remotes/<name>/<branch> should be
$GIT_DIR/refs/remotes/<name>/<branch>.

Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Documentation/git-remote.txt

@@ -60,11 +60,11 @@ the remote repository.
 +
 With `-t <branch>` option, instead of the default glob
 refspec for the remote to track all branches under
-`$GIT_DIR/remotes/<name>/`, a refspec to track only `<branch>`
+`$GIT_DIR/refs/remotes/<name>/`, a refspec to track only `<branch>`
 is created.  You can give more than one `-t <branch>` to track
 multiple branches without grabbing all branches.
 +
-With `-m <master>` option, `$GIT_DIR/remotes/<name>/HEAD` is set
+With `-m <master>` option, `$GIT_DIR/refs/remotes/<name>/HEAD` is set
 up to point at remote's `<master>` branch. See also the set-head command.
 +
 When a fetch mirror is created with `\--mirror=fetch`, the refs will not
@@ -92,23 +92,23 @@ configuration settings for the remote are removed.
 
 'set-head'::
 
-Sets or deletes the default branch (`$GIT_DIR/remotes/<name>/HEAD`) for
+Sets or deletes the default branch (`$GIT_DIR/refs/remotes/<name>/HEAD`) for
 the named remote. Having a default branch for a remote is not required,
 but allows the name of the remote to be specified in lieu of a specific
 branch. For example, if the default branch for `origin` is set to
 `master`, then `origin` may be specified wherever you would normally
 specify `origin/master`.
 +
-With `-d`, `$GIT_DIR/remotes/<name>/HEAD` is deleted.
+With `-d`, `$GIT_DIR/refs/remotes/<name>/HEAD` is deleted.
 +
 With `-a`, the remote is queried to determine its `HEAD`, then
-`$GIT_DIR/remotes/<name>/HEAD` is set to the same branch. e.g., if the remote
+`$GIT_DIR/refs/remotes/<name>/HEAD` is set to the same branch. e.g., if the remote
 `HEAD` is pointed at `next`, "`git remote set-head origin -a`" will set
 `$GIT_DIR/refs/remotes/origin/HEAD` to `refs/remotes/origin/next`. This will
 only work if `refs/remotes/origin/next` already exists; if not it must be
 fetched first.
 +
-Use `<branch>` to set `$GIT_DIR/remotes/<name>/HEAD` explicitly. e.g., "git
+Use `<branch>` to set `$GIT_DIR/refs/remotes/<name>/HEAD` explicitly. e.g., "git
 remote set-head origin master" will set `$GIT_DIR/refs/remotes/origin/HEAD` to
 `refs/remotes/origin/master`. This will only work if
 `refs/remotes/origin/master` already exists; if not it must be fetched first.