README.md in bump-0.3.4 vs README.md in bump-0.3.5

@@ -24,19 +24,26 @@
 ```
 
     rake bump:patch
     rake bump:current
 
+### Ruby
+```Ruby
+require "bump"
+Bump::Bump.run("patch")   # -> version changed
+Bump::Bump.current        # -> "1.2.3"
+```
+
 # Supported locations
  - VERSION file with "1.2.3"
- - gemspec with `gem.version = "1.2.3"`
+ - gemspec with `gem.version = "1.2.3"` or `Gem:Specification.new "gem-name", "1.2.3" do`
  - lib/**/version.rb file with `VERSION = "1.2.3"`
 
 # Todo
 
  - Handle options properly
  - `VERSION = "1.2.3"` in lib/*.rb
- - gemspec with `Gem::Specification.new "gem-name", "1.2.3" do`
+ - Build new gem version: gem build xxx.gemspec
 
 # Author
 Gregory<br/>
 License: MIT<br/>
 [![Build Status](https://travis-ci.org/gregorym/bump.png)](https://travis-ci.org/gregorym/bump)