diff --git a/asyncstdlib/__init__.py b/asyncstdlib/__init__.py
index b9b4e9b..a4a1e89 100644
--- a/asyncstdlib/__init__.py
+++ b/asyncstdlib/__init__.py
@@ -45,7 +45,7 @@
 from .asynctools import borrow, scoped_iter, await_each, any_iter, apply, sync
 from .heapq import merge, nlargest, nsmallest
 
-__version__ = "3.12.4"
+__version__ = "3.12.5"
 
 __all__ = [
     "anext",
diff --git a/asyncstdlib/_lrucache.py b/asyncstdlib/_lrucache.py
index 58b20b3..15e2455 100644
--- a/asyncstdlib/_lrucache.py
+++ b/asyncstdlib/_lrucache.py
@@ -28,7 +28,9 @@
 from ._utility import public_module
 
 
-@public_module("asyncstdlib.functools")
+@public_module(
+    "asyncstdlib.functools"
+)  # pyright: ignore[reportArgumentType,reportUntypedClassDecorator]
 class CacheInfo(NamedTuple):
     """
     Metadata on the current state of a cache
diff --git a/asyncstdlib/functools.py b/asyncstdlib/functools.py
index 3362ae8..d1f9355 100644
--- a/asyncstdlib/functools.py
+++ b/asyncstdlib/functools.py
@@ -233,7 +233,7 @@ async def data(self):
     If the attribute is accessed by multiple tasks before a cached value has
     been produced, the getter can be run more than once. The final cached value
     is determined by the last getter coroutine to return. To enforce that the
-    getter is executed at most once, provide a ``lock`` type - e.g. the
+    getter is executed at most once, provide an appropriate lock type - e.g. the
     :py:class:`asyncio.Lock` class in an :py:mod:`asyncio` application - and
     access is automatically synchronised.
 
diff --git a/asyncstdlib/itertools.py b/asyncstdlib/itertools.py
index f00c196..cd737ba 100644
--- a/asyncstdlib/itertools.py
+++ b/asyncstdlib/itertools.py
@@ -577,7 +577,7 @@ async def maybe_step(self) -> None:
             await self.step()
 
     def consume_value(self) -> T_co:
-        """Return the current value, after removing it from the current state"""
+        """Return the current value after removing it from the current state"""
         value, self._current_value = self._current_value, self._sentinel
         return value
 
@@ -600,21 +600,21 @@ def __init__(self, target_key: R, state: "_GroupByState[R, T_co]") -> None:
 
     async def __anext__(self) -> T_co:
         state = self._state
+        # the groupby already advanced to another group
         if state.current_group is not self:
             raise StopAsyncIteration
-
         await state.maybe_step()
+        # the step advanced the iterator to another group
         if self._target_key != state.current_key:
             raise StopAsyncIteration
-
         return state.consume_value()
 
     async def aclose(self) -> None:
-        """Close the group iterator
+        """
+        Close the group iterator
 
         Note: this does _not_ close the underlying groupby managed iterator;
         closing a single group shouldn't affect other groups in the series.
-
         """
         state = self._state
         if state.current_group is not self:
@@ -662,8 +662,7 @@ def __init__(
 
     async def __anext__(self) -> Tuple[R, AsyncIterator[T_co]]:
         state = self._state
-        # disable the last group to avoid concurrency
-        # issues.
+        # already disable the current group to avoid concurrency issues
         state.current_group = None
         await state.maybe_step()
         try:
diff --git a/docs/source/api/functools.rst b/docs/source/api/functools.rst
index 68aab0b..131ddfb 100644
--- a/docs/source/api/functools.rst
+++ b/docs/source/api/functools.rst
@@ -35,17 +35,17 @@ Attribute Caches
 
 This type of cache tracks ``await``\ ing an attribute.
 
-.. py:function:: cached_property(getter: (Self) → await T, /)
+.. py:function:: cached_property(getter: (Self) → await T, /) -> await T
     :decorator:
 
-.. autofunction:: cached_property(asynccontextmanager_type: Type[AsyncContextManager], /)((Self) → await T)
+.. autofunction:: cached_property(context_type: Type[AsyncContextManager], /)((Self) → await T) -> await T
     :decorator:
     :noindex:
 
     .. versionadded:: 1.1.0
-    .. versionadded:: 3.13.0
+    .. versionadded:: 3.12.5
 
-        The ``asynccontextmanager_type`` decorator parameter.
+        The ``context_type`` decorator parameter.
 
 
 Callable Caches