README.md in netprint-0.0.2 vs README.md in netprint-0.0.3

@@ -1,8 +1,8 @@
 # Netprint
 
-A library to upload file to netprint(https://www.printing.ne.jp/)
+A library to use netprint(https://www.printing.ne.jp/)
 
 ## Installation
 
 Add this line to your application's Gemfile:
 
@@ -22,9 +22,32 @@
 n = Netprint::Agent.new(userid, password)
 n.login
 
 registration_code = n.upload('/path/to/file.pdf')
 ```
+
+### Upload Options
+
+```ruby
+n.upload('/path/to/file.pdf', {
+
+  # Netprint::PAPER_SIZE::A3
+  # Netprint::PAPER_SIZE::A4(default)
+  # Netprint::PAPER_SIZE::B4
+  # Netprint::PAPER_SIZE::B5
+  # Netprint::PAPER_SIZE::L
+  :paper_size  => Netprint::PAPER_SIZE::B4,
+
+  # Netprint::COLOR::SELECT_WHEN_PRINT(default)
+  # Netprint::COLOR::BW
+  # Netprint::COLOR::COLOR
+  :color       => Netprint::COLOR::BW,
+
+  :secret_code => '1234',
+  :email       => '[e-mail]'
+})
+```
+
 
 ## Contributing
 
 1. Fork it
 2. Create your feature branch (`git checkout -b my-new-feature`)