update README

README.markdown

@@ -48,48 +48,48 @@ The source code is managed with Git (a version control system) and hosted at Git
 
 You can download the app ("clone the repository") with the command
 
-  $ git clone git@github.com:fortuity/subdomain-authentication.git
-  
+    $ git clone git@github.com:fortuity/subdomain-authentication.git
+
 ## Getting Started
 
 ### Configure Email
 
 Configure email by modifying
 
-  config/initializers/devise.rb
-  
+    config/initializers/devise.rb
+
 and setting the return email address for emails sent from the application.
-  
+
 You may need to set values for your mailhost in
 
-  config/environments/development.rb
-  config/environments/production.rb
+    config/environments/development.rb
+    config/environments/production.rb
 
 ### Set Up the Database
 
 You can use the default database settings if you're using SQLite. 
 
 If you're using MySQL, you'll need to edit the file
 
-  config/database.yml
+    config/database.yml
 
 Set up the database by running
 
-  $ rake db:create
-  $ rake db:migrate
-  $ rake sdauth:setup
+    $ rake db:create
+    $ rake db:migrate
+    $ rake sdauth:setup
 
 Running the "sdauth:setup" rake task sets up an initial administrator and user. You can modify the file
 
-  lib/tasks/setup.rake
+    lib/tasks/setup.rake
 
 if you wish to change the administrator and user logins before you run the migration.
 
 ### Launch the Application
 
 Start the server
 
-  $ script/server
+    $ script/server
 
 and go to [http://localhost:3000/](http://localhost:3000/).