diff --git a/actionpack/lib/action_view/helpers/javascript_helper.rb b/actionpack/lib/action_view/helpers/javascript_helper.rb
index 84f53b842c4888805db35731de486ada17c2e5e6..f392d92e75d1ffd0e594b9e63fafd0712148802e 100644
--- a/actionpack/lib/action_view/helpers/javascript_helper.rb
+++ b/actionpack/lib/action_view/helpers/javascript_helper.rb
@@ -65,7 +65,8 @@ def escape_javascript(javascript)
       #   //]]>
       #   </script>
       #
-      # +html_options+ may be a hash of attributes for the <script> tag. Example:
+      # +html_options+ may be a hash of attributes for the <tt><script></tt>
+      # tag. Example:
       #   javascript_tag "alert('All is good')", :defer => 'defer'
       #   # => <script defer="defer" type="text/javascript">alert('All is good')</script>
       #
diff --git a/actionpack/lib/action_view/helpers/prototype_helper.rb b/actionpack/lib/action_view/helpers/prototype_helper.rb
index b6006665365c57826335b4f8a7851abce74bd9b5..bc67197e64caa7062c1e29831c315c3478f860ce 100644
--- a/actionpack/lib/action_view/helpers/prototype_helper.rb
+++ b/actionpack/lib/action_view/helpers/prototype_helper.rb
@@ -161,8 +161,8 @@ def include_helpers_from_context
 
         # JavaScriptGenerator generates blocks of JavaScript code that allow you
         # to change the content and presentation of multiple DOM elements.  Use
-        # this in your Ajax response bodies, either in a <script> tag or as plain
-        # JavaScript sent with a Content-type of "text/javascript".
+        # this in your Ajax response bodies, either in a <tt><script></tt> tag
+        # or as plain JavaScript sent with a Content-type of "text/javascript".
         #
         # Create new instances with PrototypeHelper#update_page or with
         # ActionController::Base#render, then call +insert_html+, +replace_html+,
@@ -224,7 +224,7 @@ def include_helpers_from_context
         #
         # You can also use PrototypeHelper#update_page_tag instead of
         # PrototypeHelper#update_page to wrap the generated JavaScript in a
-        # <script> tag.
+        # <tt><script></tt> tag.
         module GeneratorMethods
           def to_s #:nodoc:
             (@lines * $/).tap do |javascript|
@@ -582,12 +582,12 @@ def update_page(&block)
         JavaScriptGenerator.new(self, &block).to_s.html_safe
       end
 
-      # Works like update_page but wraps the generated JavaScript in a <script>
-      # tag. Use this to include generated JavaScript in an ERb template.
-      # See JavaScriptGenerator for more information.
+      # Works like update_page but wraps the generated JavaScript in a
+      # <tt><script></tt> tag. Use this to include generated JavaScript in an
+      # ERb template. See JavaScriptGenerator for more information.
       #
-      # +html_options+ may be a hash of <script> attributes to be passed
-      # to ActionView::Helpers::JavaScriptHelper#javascript_tag.
+      # +html_options+ may be a hash of <tt><script></tt> attributes to be
+      # passed to ActionView::Helpers::JavaScriptHelper#javascript_tag.
       def update_page_tag(html_options = {}, &block)
         javascript_tag update_page(&block), html_options
       end
diff --git a/activesupport/lib/active_support/dependencies.rb b/activesupport/lib/active_support/dependencies.rb
index dc6484f3871397db14373e0bc767f478416ad743..09bdb577ad15377d184adb89acc97f7498960822 100644
--- a/activesupport/lib/active_support/dependencies.rb
+++ b/activesupport/lib/active_support/dependencies.rb
@@ -83,13 +83,13 @@ def initialize
         super { |h,k| h[k] = [] }
       end
 
-      # return a list of new constants found since the last call to watch_modules
+      # return a list of new constants found since the last call to watch_namespaces
       def new_constants
         constants = []
 
         # Grab the list of namespaces that we're looking for new constants under
         @watching.last.each do |namespace|
-          # Retrieve the constants that were present under the namespace when watch_modules
+          # Retrieve the constants that were present under the namespace when watch_namespaces
           # was originally called
           original_constants = self[namespace].last
 
@@ -115,7 +115,7 @@ def new_constants
         end
         constants
       ensure
-        # A call to new_constants is always called after a call to watch_modules
+        # A call to new_constants is always called after a call to watch_namespaces
         pop_modules(@watching.pop)
       end
 
diff --git a/railties/guides/source/testing.textile b/railties/guides/source/testing.textile
index 6686dc329094088633249a18613882484ae609da..2355d2a31af50887e3508320c93793835896ca5e 100644
--- a/railties/guides/source/testing.textile
+++ b/railties/guides/source/testing.textile
@@ -241,8 +241,7 @@ h4. Running Tests
 Running a test is as simple as invoking the file containing the test cases through Ruby:
 
 <shell>
-$ cd test
-$ ruby unit/post_test.rb
+$ ruby -Itest test/unit/post_test.rb
 
 Loaded suite unit/post_test
 Started
@@ -252,12 +251,12 @@ Finished in 0.023513 seconds.
 1 tests, 1 assertions, 0 failures, 0 errors
 </shell>
 
-This will run all the test methods from the test case.
+This will run all the test methods from the test case. Note that +test_helper.rb+ is in the +test+ directory, hence this directory needs to be added to the load path using the +-I+ switch.
 
 You can also run a particular test method from the test case by using the +-n+ switch with the +test method name+.
 
 <shell>
-$ ruby unit/post_test.rb -n test_truth
+$ ruby -Itest test/unit/post_test.rb -n test_truth
 
 Loaded suite unit/post_test
 Started
diff --git a/railties/lib/rails/generators/rails/app/templates/config/environments/development.rb.tt b/railties/lib/rails/generators/rails/app/templates/config/environments/development.rb.tt
index 7616614aff8b07dbef2788aa0b44557de690de25..91d3133ea47bf53e85338e1f0eca14df9faa768c 100644
--- a/railties/lib/rails/generators/rails/app/templates/config/environments/development.rb.tt
+++ b/railties/lib/rails/generators/rails/app/templates/config/environments/development.rb.tt
@@ -1,5 +1,5 @@
 <%= app_const %>.configure do
-  # Settings specified here will take precedence over those in config/environment.rb
+  # Settings specified here will take precedence over those in config/application.rb
 
   # In the development environment your application's code is reloaded on
   # every request.  This slows down response time but is perfect for development
diff --git a/railties/lib/rails/generators/rails/app/templates/config/environments/production.rb.tt b/railties/lib/rails/generators/rails/app/templates/config/environments/production.rb.tt
index 500fc4d860f64a4cde3ece2238f9bac5b1e7c377..89bb891ddd0e0f9a6497666117e42620fed106ac 100644
--- a/railties/lib/rails/generators/rails/app/templates/config/environments/production.rb.tt
+++ b/railties/lib/rails/generators/rails/app/templates/config/environments/production.rb.tt
@@ -1,5 +1,5 @@
 <%= app_const %>.configure do
-  # Settings specified here will take precedence over those in config/environment.rb
+  # Settings specified here will take precedence over those in config/application.rb
 
   # The production environment is meant for finished, "live" apps.
   # Code is not reloaded between requests
diff --git a/railties/lib/rails/generators/rails/app/templates/config/environments/test.rb.tt b/railties/lib/rails/generators/rails/app/templates/config/environments/test.rb.tt
index 26cdef071a002c211fd65ecb884990d776afe577..d8d1e55157aec43df73c871dd1fd6509bab0ac9f 100644
--- a/railties/lib/rails/generators/rails/app/templates/config/environments/test.rb.tt
+++ b/railties/lib/rails/generators/rails/app/templates/config/environments/test.rb.tt
@@ -1,5 +1,5 @@
 <%= app_const %>.configure do
-  # Settings specified here will take precedence over those in config/environment.rb
+  # Settings specified here will take precedence over those in config/application.rb
 
   # The test environment is used exclusively to run your application's
   # test suite.  You never need to work with it otherwise.  Remember that