diff --git a/railties/guides/source/debugging_rails_applications.textile b/railties/guides/source/debugging_rails_applications.textile
index 26aee82ae1..ccd538d1e8 100644
--- a/railties/guides/source/debugging_rails_applications.textile
+++ b/railties/guides/source/debugging_rails_applications.textile
@@ -98,7 +98,7 @@ Title: Rails debugging guide
 
 h4. Debugging JavaScript
 
-Rails has built-in support to debug RJS, to active it, set +ActionView::Base.debug_rjs+ to _true_, this will specify whether RJS responses should be wrapped in a try/catch block that alert()s the caught exception (and then re-raises it).
+Rails has built-in support to debug RJS – to activate it, set +ActionView::Base.debug_rjs+ to _true_. This will specify that RJS responses should be wrapped in a try/catch block that displays the caught exception using +alert()+ (and then re-raises it).
 
 To enable it, add the following in the +Rails::Initializer do |config|+ block inside +environment.rb+:
 
@@ -106,13 +106,13 @@ To enable it, add the following in the +Rails::Initializer do |config|+ block in
 config.action_view[:debug_rjs] = true
 </ruby>
 
-Or, at any time, setting +ActionView::Base.debug_rjs+ to _true_:
+Or, at any time, set +ActionView::Base.debug_rjs+ to _true_:
 
 <ruby>
 ActionView::Base.debug_rjs = true
 </ruby>
 
-TIP: For more information on debugging javascript refer to "Firebug":http://getfirebug.com/, the popular debugger for Firefox.
+TIP: For more information on debugging JavaScript, refer to "Firebug":http://getfirebug.com/, the popular debugger for Firefox.
 
 h3. The Logger