diff --git a/Ruby/lib/terminal-notifier.rb b/Ruby/lib/terminal-notifier.rb
index 32fe7e0..c1d2780 100644
--- a/Ruby/lib/terminal-notifier.rb
+++ b/Ruby/lib/terminal-notifier.rb
@@ -27,8 +27,8 @@ def self.execute(verbose, options)
 
   # Sends a User Notification and returns wether or not it was a success.
   #
-  # The available options are `:title`, `:group`, `:activate`, `:open`, and
-  # `:execute`. For a description of each option see:
+  # The available options are `:title`, `:group`, `:activate`, `:open`,
+  # `:execute`, `:sender`, and `:sound`. For a description of each option see:
   #
   #   https://github.com/alloy/terminal-notifier/blob/master/README.markdown
   #
@@ -40,6 +40,8 @@ def self.execute(verbose, options)
   #   TerminalNotifier.notify('Hello World', :activate => 'com.apple.Safari')
   #   TerminalNotifier.notify('Hello World', :open => 'http://twitter.com/alloy')
   #   TerminalNotifier.notify('Hello World', :execute => 'say "OMG"')
+  #   TerminalNotifier.notify('Hello World', :sender => 'com.apple.Safari')
+  #   TerminalNotifier.notify('Hello World', :sound => 'default')
   #
   # Raises if not supported on the current platform.
   def notify(message, options = {}, verbose = false)