diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4b0f3e63a..ade861023 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+### 41.5.5 [#1220](https://github.com/openfisca/openfisca-core/pull/1220)
+
+#### Technical changes
+
+- Fix doc & type definitions in the entities module
+
 ### 41.5.4 [#1219](https://github.com/openfisca/openfisca-core/pull/1219)
 
 #### Technical changes
diff --git a/openfisca_core/entities/types.py b/openfisca_core/entities/types.py
index de011d8ee..2f9acd040 100644
--- a/openfisca_core/entities/types.py
+++ b/openfisca_core/entities/types.py
@@ -35,13 +35,8 @@ class GroupEntity(t.GroupEntity, Protocol):
 
 
 class Role(t.Role, Protocol):
-    max: int | None
     subroles: Iterable[Role] | None
 
-    @property
-    def key(self) -> str:
-        ...
-
 
 class RoleParams(TypedDict, total=False):
     key: Required[str]
diff --git a/openfisca_core/types.py b/openfisca_core/types.py
index 8b83bff1c..b34a55543 100644
--- a/openfisca_core/types.py
+++ b/openfisca_core/types.py
@@ -61,8 +61,13 @@ class GroupEntity(CoreEntity, Protocol):
 
 class Role(Protocol):
     entity: Any
+    max: int | None
     subroles: Any
 
+    @property
+    def key(self) -> str:
+        ...
+
 
 # Holders
 
diff --git a/setup.cfg b/setup.cfg
index 451f68b91..cc850c06a 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,76 +1,86 @@
-# C011X:            We (progressively) document the code base.
-# D10X:             We (progressively) check docstrings (see https://www.pydocstyle.org/en/2.1.1/error_codes.html#grouping).
-# DARXXX:           We (progressively) check docstrings (see https://github.com/terrencepreilly/darglint#error-codes).
-# E203:             We ignore a false positive in whitespace before ":" (see https://github.com/PyCQA/pycodestyle/issues/373).
-# F403/405:         We ignore * imports.
-# R0401:            We avoid cyclic imports —required for unit/doc tests.
-# RST301:           We use Google Python Style (see https://pypi.org/project/flake8-rst-docstrings/).
-# W503/504:         We break lines before binary operators (Knuth's style).
+# C011X:                    We (progressively) document the code base.
+# D10X:                     We (progressively) check docstrings (see https://www.pydocstyle.org/en/2.1.1/error_codes.html#grouping).
+# DARXXX:                   We (progressively) check docstrings (see https://github.com/terrencepreilly/darglint#error-codes).
+# E203:                     We ignore a false positive in whitespace before ":" (see https://github.com/PyCQA/pycodestyle/issues/373).
+# F403/405:                 We ignore * imports.
+# R0401:                    We avoid cyclic imports —required for unit/doc tests.
+# RST301:                   We use Google Python Style (see https://pypi.org/project/flake8-rst-docstrings/).
+# W503/504:                 We break lines before binary operators (Knuth's style).
 
 [flake8]
-convention          = google
-docstring_style     = google
-extend-ignore       = D
-ignore              = E203, E501, F405, RST301, W503
-in-place            = true
-include-in-doctest  = openfisca_core/commons openfisca_core/entities openfisca_core/holders openfisca_core/periods openfisca_core/projectors
-max-line-length     = 88
-per-file-ignores    = */types.py:D101,D102,E704, */test_*.py:D101,D102,D103, */__init__.py:F401
-rst-directives      = attribute, deprecated, seealso, versionadded, versionchanged
-rst-roles           = any, attr, class, exc, func, meth, mod, obj
-strictness          = short
+convention                  = google
+docstring_style             = google
+extend-ignore               = D
+ignore                      = E203, E501, F405, RST301, W503
+in-place                    = true
+include-in-doctest          = openfisca_core/commons openfisca_core/entities openfisca_core/holders openfisca_core/periods openfisca_core/projectors
+max-line-length             = 88
+per-file-ignores            = */types.py:D101,D102,E704, */test_*.py:D101,D102,D103, */__init__.py:F401
+rst-directives              = attribute, deprecated, seealso, versionadded, versionchanged
+rst-roles                   = any, attr, class, exc, func, meth, mod, obj
+strictness                  = short
 
 [pylint.MASTER]
-load-plugins        = pylint_per_file_ignores
+load-plugins                = pylint_per_file_ignores
 
 [pylint.message_control]
-disable             = all
-enable              = C0115, C0116, R0401
-per-file-ignores    =
+disable                     = all
+enable                      = C0115, C0116, R0401
+per-file-ignores            =
     types.py:C0115,C0116
     /tests/:C0116
-score               = no
+score                       = no
 
 [isort]
-case_sensitive      = true
+case_sensitive              = true
 force_alphabetical_sort_within_sections = false
-group_by_package    = true
-honor_noqa          = true
-include_trailing_comma = true
-known_first_party   = openfisca_core
-known_openfisca     = openfisca_country_template, openfisca_extension_template
-known_typing        = *collections.abc*, *typing*, *typing_extensions*
-known_types         = *types*
-profile             = black
-py_version          = 39
-sections            = FUTURE, TYPING, TYPES, STDLIB, THIRDPARTY, OPENFISCA, FIRSTPARTY, LOCALFOLDER
+group_by_package            = true
+honor_noqa                  = true
+include_trailing_comma      = true
+known_first_party           = openfisca_core
+known_openfisca             = openfisca_country_template, openfisca_extension_template
+known_typing                = *collections.abc*, *typing*, *typing_extensions*
+known_types                 = *types*
+profile                     = black
+py_version                  = 39
+sections                    = FUTURE, TYPING, TYPES, STDLIB, THIRDPARTY, OPENFISCA, FIRSTPARTY, LOCALFOLDER
 
 [coverage:paths]
-source              = . */site-packages
+source                      = . */site-packages
 
 [coverage:run]
-branch              = true
-source              = openfisca_core, openfisca_web_api
+branch                      = true
+source                      = openfisca_core, openfisca_web_api
 
 [coverage:report]
-fail_under          = 75
-show_missing        = true
-skip_covered        = true
-skip_empty          = true
+fail_under                  = 75
+show_missing                = true
+skip_covered                = true
+skip_empty                  = true
 
 [tool:pytest]
-addopts             = --disable-pytest-warnings --doctest-modules --showlocals
-doctest_optionflags = ELLIPSIS IGNORE_EXCEPTION_DETAIL NUMBER NORMALIZE_WHITESPACE
-python_files        = **/*.py
-testpaths           = tests
+addopts                     = --disable-pytest-warnings --doctest-modules --showlocals
+doctest_optionflags         = ELLIPSIS IGNORE_EXCEPTION_DETAIL NUMBER NORMALIZE_WHITESPACE
+python_files                = **/*.py
+testpaths                   = tests
 
 [mypy]
-disallow_any_unimported = true
-ignore_missing_imports = true
-install_types       = true
-non_interactive     = true
-plugins             = numpy.typing.mypy_plugin
-python_version      = 3.9
+check_untyped_defs          = false
+disallow_any_decorated      = false
+disallow_any_explicit       = false
+disallow_any_expr           = false
+disallow_any_unimported     = false
+follow_imports              = skip
+ignore_missing_imports      = true
+implicit_reexport           = false
+install_types               = true
+non_interactive             = true
+plugins                     = numpy.typing.mypy_plugin
+pretty                      = true
+python_version              = 3.9
+strict                      = false
+warn_no_return              = true
+warn_unreachable            = true
 
 [mypy-openfisca_core.*.tests.*]
-ignore_errors       = True
+ignore_errors               = True
diff --git a/setup.py b/setup.py
index 92971f40b..cca107bee 100644
--- a/setup.py
+++ b/setup.py
@@ -67,7 +67,7 @@
 
 setup(
     name="OpenFisca-Core",
-    version="41.5.4",
+    version="41.5.5",
     author="OpenFisca Team",
     author_email="contact@openfisca.org",
     classifiers=[