fix form type.
bug #3535 fix form type name. (yositani2002)

This PR was merged into the 2.3 branch.

Discussion
----------

fix form type name.

| Q             | A
| ------------- | ---
| Doc fix?      | [yes]
| New docs?     | [no]
| Applies to    | [all]
| Fixed tickets |

Commits
-------

ef4014d fix form type.