diff --git a/docs/source/_extensions/sphinx_easynetwork.py b/docs/source/_extensions/sphinx_easynetwork.py
index 2388514f..d790a963 100644
--- a/docs/source/_extensions/sphinx_easynetwork.py
+++ b/docs/source/_extensions/sphinx_easynetwork.py
@@ -5,7 +5,8 @@
 v0.1.1: Fix base is not replaced if the class is generic.
 v0.2.0: Log when an object does not have a docstring.
 v0.2.1: Add base class to replace.
-v0.3.0 (current): Add a "See Also" section at the end of one-shot serializers docstrings.
+v0.3.0: Add a "See Also" section at the end of one-shot serializers docstrings.
+v0.3.1 (current): Do not log "Undocumented protocol".
 """
 
 from __future__ import annotations
@@ -54,7 +55,7 @@ def _is_magic_method(name: str) -> bool:
 
 
 def autodoc_process_docstring(app: Sphinx, what: str, name: str, obj: Any, options: dict[str, Any], lines: list[str]) -> None:
-    if not lines and name.startswith("easynetwork.") and not _is_magic_method(name) and what not in {"typevar"}:
+    if not lines and name.startswith("easynetwork.") and not _is_magic_method(name) and what not in {"typevar", "protocol"}:
         logger.warning(f"Undocumented {what}: {name}")
 
     match what:
@@ -71,7 +72,7 @@ def setup(app: Sphinx) -> dict[str, Any]:
     app.connect("autodoc-process-docstring", autodoc_process_docstring)
 
     return {
-        "version": "0.3.0",
+        "version": "0.3.1",
         "parallel_read_safe": True,
         "parallel_write_safe": True,
     }
diff --git a/docs/source/api/lowlevel/async/transports.rst b/docs/source/api/lowlevel/async/transports.rst
index 4253c473..2e415997 100644
--- a/docs/source/api/lowlevel/async/transports.rst
+++ b/docs/source/api/lowlevel/async/transports.rst
@@ -28,3 +28,5 @@ Miscellaneous
 
 .. automodule:: easynetwork.lowlevel.api_async.transports.utils
    :members:
+
+.. autoprotocol:: _TransportLike
diff --git a/src/easynetwork/lowlevel/api_async/backend/abc.py b/src/easynetwork/lowlevel/api_async/backend/abc.py
index b25cb471..f4f6ff7d 100644
--- a/src/easynetwork/lowlevel/api_async/backend/abc.py
+++ b/src/easynetwork/lowlevel/api_async/backend/abc.py
@@ -1151,6 +1151,8 @@ def create_fair_lock(self) -> ILock:
 
         This means that it always goes to the task which has been waiting longest.
 
+        .. versionadded:: 1.1
+
         Returns:
             A new fair Lock.
         """
diff --git a/src/easynetwork/lowlevel/api_async/transports/utils.py b/src/easynetwork/lowlevel/api_async/transports/utils.py
index 4e5a7df1..653414f7 100644
--- a/src/easynetwork/lowlevel/api_async/transports/utils.py
+++ b/src/easynetwork/lowlevel/api_async/transports/utils.py
@@ -22,6 +22,9 @@
 from collections.abc import Awaitable
 from typing import TYPE_CHECKING, Protocol
 
+from ... import _utils
+from .abc import AsyncBaseTransport
+
 if TYPE_CHECKING:
     from ..backend.abc import AsyncBackend
 
@@ -29,9 +32,11 @@
 class _TransportLike(Protocol):
 
     @abstractmethod
+    @_utils.inherit_doc(AsyncBaseTransport)
     def aclose(self) -> Awaitable[None]: ...
 
     @abstractmethod
+    @_utils.inherit_doc(AsyncBaseTransport)
     def backend(self) -> AsyncBackend: ...
 
 
@@ -39,6 +44,9 @@ async def aclose_forcefully(transport: _TransportLike) -> None:
     """
     Close an async transport immediately, without blocking to do any graceful cleanup.
 
+    .. versionchanged:: 1.1
+        `transport` can now be any closeable object with a ``backend()`` method.
+
     Parameters:
         transport: the transport to close.
     """