README.md in activeadmin_dynamic_fields-0.2.1 vs README.md in activeadmin_dynamic_fields-0.2.2

@@ -25,9 +25,10 @@
 - **data-if**: check a condition, values:
   + **checked**: check if a checkbox is checked
   + **not_checked**: check if a checkbox is not checked
   + **blank**: check if a field is blank
   + **not_blank**: check if a field is not blank
+  + **changed**: check if the value of an input is changed (dirty)
 - **data-eq**: check if a field has a specific value
 - **data-not**: check if a field hasn't a specific value
 - **data-target**: target css selector (from parent fieldset, look for the closest match)
 - **data-gtarget**: target css selector globally
 - **data-action**: the action to trigger, values: