update instructions: http://help.github.com/git-email-settings/

lib/hub/context.rb

@@ -25,7 +25,7 @@ module Hub
       end
     end
 
-    LGHCONF = "http://github.com/guides/local-github-config"
+    LGHCONF = "http://help.github.com/git-email-settings/"
 
     def repo_owner
       REMOTES[default_remote][:user]

test/hub_test.rb

@@ -89,7 +89,7 @@ class HubTest < Test::Unit::TestCase
       stub_github_user(nil)
     end
 
-    assert_equal "** No GitHub user set. See http://github.com/guides/local-github-config\n", out
+    assert_equal "** No GitHub user set. See http://help.github.com/git-email-settings/\n", out
   end
 
   def test_your_public_clone_fails_without_config
@@ -97,7 +97,7 @@ class HubTest < Test::Unit::TestCase
       stub_github_user(nil)
     end
 
-    assert_equal "** No GitHub user set. See http://github.com/guides/local-github-config\n", out
+    assert_equal "** No GitHub user set. See http://help.github.com/git-email-settings/\n", out
   end
 
   def test_private_clone_left_alone
@@ -395,7 +395,7 @@ class HubTest < Test::Unit::TestCase
       stub_github_user(nil)
     end
 
-    assert_equal "** No GitHub user set. See http://github.com/guides/local-github-config\n", out
+    assert_equal "** No GitHub user set. See http://help.github.com/git-email-settings/\n", out
   end
 
   def test_push_two
@@ -491,7 +491,7 @@ class HubTest < Test::Unit::TestCase
     out = hub("create") do
       stub_github_token(nil)
     end
-    assert_equal "** No GitHub token set. See http://github.com/guides/local-github-config\n", out
+    assert_equal "** No GitHub token set. See http://help.github.com/git-email-settings/\n", out
   end
 
   def test_create_outside_git_repo