docs(api): add ngRequired to input/select/textarea directives

Closes #1202

1 files changed, 3 insertions, 0 deletions

diff --git a/src/ng/directive/select.js b/src/ng/directive/select.js
index e6e0ced7..31254592 100644
--- a/src/ng/directive/select.js
+++ b/src/ng/directive/select.js
@@ -29,6 +29,9 @@
  *
  * @param {string} name assignable expression to data-bind to.
  * @param {string=} required The control is considered valid only if value is entered.
+ * @param {string=} ngRequired Adds `required` attribute and `required` validation constraint to
+ *    the element when the ngRequired expression evaluates to true. Use `ngRequired` instead of
+ *    `required` when you want to data-bind to the `required` attribute.
  * @param {comprehension_expression=} ngOptions in one of the following forms:
  *
  *   * for array data sources: