README.md in tty-command-0.1.0 vs README.md in tty-command-0.2.0

@@ -47,10 +47,11 @@
   * [2.1. Run](#21-run)
   * [2.2. Run!](#22-run)
   * [2.3. Test](#23-test)
   * [2.4. Logging](#24-logging)
   * [2.5. Dry run](#25-dry-run)
+  * [2.6. Ruby interpreter](#26-ruby-interpreter)
 * [3. Advanced Interface](#3-advanced-interface)
   * [3.1. Environment variables](#31-environment-variables)
   * [3.2. Options](#32-options)
     * [3.2.1. Current directory](#321-current-directory)
     * [3.2.2. Redirection](#322-redirection)
@@ -192,10 +193,18 @@
 
 ```ruby
 cmd.dry_run? # => true
 ```
 
+### 2.6 Ruby interpreter
+
+In order to run a command with Ruby interpreter do:
+
+```ruby
+cmd.ruby %q{-e "puts 'Hello world'"}
+```
+
 ## 3. Advanced Interface
 
 ### 3.1 Environment variables
 
 The environment variables need to be provided as hash entries, that can be set directly as a first argument:
@@ -324,10 +333,10 @@
 result.failed?   # => false
 ```
 
 #### 3.3.3 exited?
 
-To check if command run to complition use `exited?` or `complete?`:
+To check if command ran to completion use `exited?` or `complete?`:
 
 ```ruby
 result = cmd.run(:echo, 'Hello')
 result.exited?    # => true
 result.complete?  # => true