'ivy-rich-counsel-function-docstring' does not remove ':advice' thing

[vconcat]

(use-package ivy
  :hook (after-init . ivy-mode))

(use-package counsel
  :hook (ivy-mode . counsel-mode))

(use-package ivy-rich
  :hook (ivy-mode . ivy-rich-mode))

Emacs: 27.1

M-x counsel-describe-function

If I replace the regexp in ivy-rich-counsel-function-docstring with this, it display the original doc correctly.

FYI, minad/marginalia#19

[Yevgnen]

Thanks for reporting the issue. I gonna steal that regex...

[vconcat]

Thanks.