missing backquotes [ci skip]

guides/source/action_mailer_basics.md

@@ -560,7 +560,7 @@ Unlike controllers, the mailer instance doesn't have any context about the
 incoming request so you'll need to provide the `:asset_host` parameter yourself.
 
 As the `:asset_host` usually is consistent across the application you can
-configure it globally in config/application.rb:
+configure it globally in `config/application.rb`:
 
 ```ruby
 config.action_mailer.asset_host = 'http://example.com'

guides/source/getting_started.md

@@ -178,7 +178,7 @@ of the files and folders that Rails created by default:
 |lib/|Extended modules for your application.|
 |log/|Application log files.|
 |public/|The only folder seen by the world as-is. Contains static files and compiled assets.|
-|Rakefile|This file locates and loads tasks that can be run from the command line. The task definitions are defined throughout the components of Rails. Rather than changing Rakefile, you should add your own tasks by adding files to the lib/tasks directory of your application.|
+|Rakefile|This file locates and loads tasks that can be run from the command line. The task definitions are defined throughout the components of Rails. Rather than changing Rakefile, you should add your own tasks by adding files to the `lib/tasks` directory of your application.|
 |README.md|This is a brief instruction manual for your application. You should edit this file to tell others what your application does, how to set it up, and so on.|
 |test/|Unit tests, fixtures, and other test apparatus. These are covered in [Testing Rails Applications](testing.html).|
 |tmp/|Temporary files (like cache and pid files).|

guides/source/plugins.md

@@ -135,7 +135,7 @@ To test that your method does what it says it does, run the unit tests with `bin
   2 runs, 2 assertions, 0 failures, 0 errors, 0 skips
 ```
 
-To see this in action, change to the test/dummy directory, fire up a console and start squawking:
+To see this in action, change to the `test/dummy` directory, fire up a console and start squawking:
 
 ```bash
 $ bin/rails console
@@ -439,7 +439,7 @@ send("#{self.class.yaffle_text_field}=", string.to_squawk)
 Generators
 ----------
 
-Generators can be included in your gem simply by creating them in a lib/generators directory of your plugin. More information about
+Generators can be included in your gem simply by creating them in a `lib/generators` directory of your plugin. More information about
 the creation of generators can be found in the [Generators Guide](generators.html).
 
 Publishing Your Gem