Fixed URL to "using git" instructions

git_cl.py

 #!/usr/bin/env python
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # Copyright (C) 2008 Evan Martin <martine@danga.com>
 
 """A git-command for integrating reviews on Rietveld."""
 
 from distutils.version import LooseVersion
@@ skipping 28 matching lines @@
 import subcommand
 import subprocess2
 import watchlists
 import owners_finder
 
 __version__ = '1.0'
 
 DEFAULT_SERVER = 'https://codereview.appspot.com'
 POSTUPSTREAM_HOOK_PATTERN = '.git/hooks/post-cl-%s'
 DESCRIPTION_BACKUP_FILE = '~/.git_cl_description_backup'
-GIT_INSTRUCTIONS_URL = 'http://code.google.com/p/chromium/wiki/UsingNewGit'
+GIT_INSTRUCTIONS_URL = 'http://code.google.com/p/chromium/wiki/UsingGit'
 CHANGE_ID = 'Change-Id:'
 
 # Shortcut since it quickly becomes redundant.
 Fore = colorama.Fore
 
 # Initialized in main()
 settings = None
 
 
 def DieWithError(message):
@@ skipping 406 matching lines @@
       self.branch = ShortBranchName(self.branchref)
     return self.branch
 
   def GetBranchRef(self):
     """Returns the full branch name, e.g. 'refs/heads/master'."""
     self.GetBranch()  # Poke the lazy loader.
     return self.branchref
 
   @staticmethod
   def FetchUpstreamTuple(branch):
-    """Returns a tuple containg remote and remote ref,
+    """Returns a tuple containing remote and remote ref,
        e.g. 'origin', 'refs/heads/master'
     """
     remote = '.'
     upstream_branch = RunGit(['config', 'branch.%s.merge' % branch],
                              error_ok=True).strip()
     if upstream_branch:
       remote = RunGit(['config', 'branch.%s.remote' % branch]).strip()
     else:
       upstream_branch = RunGit(['config', 'rietveld.upstream-branch'],
                                error_ok=True).strip()
@@ skipping 234 matching lines @@
       root = '.'
     absroot = os.path.abspath(root)
 
     # We use the sha1 of HEAD as a name of this change.
     name = RunCommand(['git', 'rev-parse', 'HEAD'], env=env).strip()
     # Need to pass a relative path for msysgit.
     try:
       files = scm.GIT.CaptureStatus([root], '.', upstream_branch)
     except subprocess2.CalledProcessError:
       DieWithError(
-          ('\nFailed to diff against upstream branch %s!\n\n'
+          ('\nFailed to diff against upstream branch %s\n\n'
            'This branch probably doesn\'t exist anymore. To reset the\n'
            'tracking branch, please run\n'
            '    git branch --set-upstream %s trunk\n'
            'replacing trunk with origin/master or the relevant branch') %
           (upstream_branch, self.GetBranch()))
 
     issue = self.GetIssue()
     patchset = self.GetPatchset()
     if issue:
       description = self.GetDescription()
@@ skipping 1576 matching lines @@
         ('AppEngine is misbehaving and returned HTTP %d, again. Keep faith '
           'and retry or visit go/isgaeup.\n%s') % (e.code, str(e)))
 
 
 if __name__ == '__main__':
   # These affect sys.stdout so do it outside of main() to simplify mocks in
   # unit testing.
   fix_encoding.fix_encoding()
   colorama.init()
   sys.exit(main(sys.argv[1:]))