diff --git a/README.md b/README.md
index 63dbc5d..12fbd9c 100644
--- a/README.md
+++ b/README.md
@@ -27,4 +27,10 @@ ana_bg.value
     led_red.toggle
     usleep(100 * 1000)
 end
+```
+
+```ruby
+pwm_blue = Machine::PWM.new(18)
+pwm_blue.duty = 65535
+pwm_blue.duty # Get duty cycle
 ```
\ No newline at end of file