docs(select): link to ngOptions

Closes #10854

Author: marcin-wosinek

src/ng/directive/select.js

@@ -114,12 +114,12 @@ var SelectController =
  * @description
  * HTML `SELECT` element with angular data-binding.
  *
- * In many cases, `ngRepeat` can be used on `<option>` elements instead of `ngOptions` to achieve a
- * similar result. However, `ngOptions` provides some benefits such as reducing memory and
- * increasing speed by not creating a new scope for each repeated instance, as well as providing
+ * In many cases, `ngRepeat` can be used on `<option>` elements instead of {@link ng.directive:ngOptions
+ * ngOptions} to achieve a similar result. However, `ngOptions` provides some benefits such as reducing
+ * memory and increasing speed by not creating a new scope for each repeated instance, as well as providing
  * more flexibility in how the `<select>`'s model is assigned via the `select` **`as`** part of the
  * comprehension expression. `ngOptions` should be used when the `<select>` model needs to be bound
- *  to a non-string value. This is because an option element can only be bound to string values at
+ * to a non-string value. This is because an option element can only be bound to string values at
  * present.
  *
  * When an item in the `<select>` menu is selected, the array element or object property