Update ngEventDirs.js

src/ng/directive/ngEventDirs.js

@@ -298,8 +298,8 @@ forEach(
  * Enables binding angular expressions to onsubmit events.
  *
  * Additionally it prevents the default action (which for form means sending the request to the
- * server and reloading the current page) **but only if the form does not contain an `action`
- * attribute**.
+ * server and reloading the current page) **but only if the form does not contain `action` or `data-action`
+ * attributes**.
  *
  * @element form
  * @priority 0