minor #2640 [Autocomplete] Add EnumType precision (Huluti)

This PR was merged into the 2.x branch.

Discussion
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[Autocomplete] Add EnumType precision

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no <!-- please update src/**/CHANGELOG.md files -->
| Issues        |
| License       | MIT

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Commits
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d0805f5 Add EnumType precision

Author: kbond

src/Autocomplete/doc/index.rst

@@ -1,7 +1,7 @@
 Autocomplete <select>
 =====================
 
-Transform your ``EntityType``, ``ChoiceType`` or *any* ``<select>`` element
+Transform your ``EntityType``, ``ChoiceType``, ``EnumType`` or *any* ``<select>`` element
 into an Ajax-powered autocomplete smart UI control (leveraging `Tom Select`_):
 
 .. image:: ux-autocomplete-animation.gif