minor #16587 [Form] Fixing link (ThomasLandauer)

This PR was merged into the 5.4 branch.

Discussion
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[Form] Fixing link

Commits
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81faf5e Fixing link

Author: javiereguiluz

reference/forms/types/enum.rst

@@ -9,7 +9,7 @@ EnumType Field
    The ``EnumType`` form field was introduced in Symfony 5.4.
 
 A multi-purpose field used to allow the user to "choose" one or more options
-defined in a `PHP enumeration`_. It extends the :doc:`ChoiceType </reference/forms/types/enum>`
+defined in a `PHP enumeration`_. It extends the :doc:`ChoiceType </reference/forms/types/choice>`
 field and defines the same options.
 
 +---------------------------+----------------------------------------------------------------------+