README.md in vagrant-solaris10-0.0.5 vs README.md in vagrant-solaris10-0.0.6

@@ -19,9 +19,15 @@
 
 ```zsh
 $ vagrant plugin install vagrant-solaris10
 ```
 
+To install from source code, first build via `rake` and then:
+
+```zsh
+$ vagrant plugin install pkg/vagrant-solaris10-x.x.x.gem
+```
+
 ## Contributing
 
 1. Fork it ( https://github.com/tnarik/vagrant-solaris10/fork )
 2. Create your feature branch (`git checkout -b my-new-feature`)
 3. Commit your changes (`git commit -am 'Add some feature'`)
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