README.md in dcp-0.2.0 vs README.md in dcp-0.2.1

@@ -6,14 +6,20 @@
 
     $ gem install dcp
 
 ## Usage
 
-TODO: Write usage instructions here
+```
+Usage: dcp [options] [db:]SRC [SRC...] [db:]DEST
+    -q, --quiet                      quiet mode
+    -h, --help                       print this messages
+```
 
+specify Dropbox path start with 'db:' or 'dropbox:'.
+
 ## Development
 
-After checking out the repo, run `bin/setup` to install dependencies. Then, run `rake spec` to run the tests. You can also run `bin/console` for an interactive prompt that will allow you to experiment.
+After checking out the repo, run `bin/setup` to install dependencies.
 
 To install this gem onto your local machine, run `bundle exec rake install`. To release a new version, update the version number in `version.rb`, and then run `bundle exec rake release`, which will create a git tag for the version, push git commits and tags, and push the `.gem` file to [rubygems.org](https://rubygems.org).
 
 ## Contributing