Minor readme updates

Signed-off-by: Aidan Jensen <aidandj.github@gmail.com>

Author: aidandj

README.md

@@ -102,12 +102,18 @@ See [Changelog](CHANGELOG.md) for full listing
 * `mypy-protobuf` generates correctly typed `HasField`, `WhichOneof`, and `ClearField` methods.
 * There are differences in how `mypy-protobuf` and `pyi_out` generate enums. See [this issue](https://github.com/protocolbuffers/protobuf/issues/8175) for details
 * Type aliases exported for `HasField`, `WhichOneof` and `ClearField` arguments
+* Parses comments as docstrings
 
 #### Examples
 
 `mypy-protobuf`:
 
 ```python
+"""
+@generated by mypy-protobuf.  Do not edit manually!
+isort:skip_file
+Edition version of proto2 file"""
+
 import builtins
 import google.protobuf.descriptor
 import google.protobuf.message
@@ -132,8 +138,10 @@ class Editions2024SubMessage(google.protobuf.message.Message):
         *,
         thing: builtins.str | None = ...,
     ) -> None: ...
-    def HasField(self, field_name: typing.Literal["thing", b"thing"]) -> builtins.bool: ...
-    def ClearField(self, field_name: typing.Literal["thing", b"thing"]) -> None: ...
+    _HasFieldArgType: typing_extensions.TypeAlias = typing.Literal["thing", b"thing"]
+    def HasField(self, field_name: _HasFieldArgType) -> builtins.bool: ...
+    _ClearFieldArgType: typing_extensions.TypeAlias = typing.Literal["thing", b"thing"]
+    def ClearField(self, field_name: _ClearFieldArgType) -> None: ...
 
 Global___Editions2024SubMessage: typing_extensions.TypeAlias = Editions2024SubMessage
 
@@ -167,10 +175,13 @@ class Editions2024Test(google.protobuf.message.Message):
         implicit_singular: builtins.str = ...,
         default_singular: builtins.str | None = ...,
     ) -> None: ...
-    def HasField(self, field_name: typing.Literal["default_singular", b"default_singular", "explicit_singular", b"explicit_singular", "legacy", b"legacy", "message_field", b"message_field"]) -> builtins.bool: ...
-    def ClearField(self, field_name: typing.Literal["default_singular", b"default_singular", "explicit_singular", b"explicit_singular", "implicit_singular", b"implicit_singular", "legacy", b"legacy", "message_field", b"message_field"]) -> None: ...
+    _HasFieldArgType: typing_extensions.TypeAlias = typing.Literal["default_singular", b"default_singular", "explicit_singular", b"explicit_singular", "legacy", b"legacy", "message_field", b"message_field"]
+    def HasField(self, field_name: _HasFieldArgType) -> builtins.bool: ...
+    _ClearFieldArgType: typing_extensions.TypeAlias = typing.Literal["default_singular", b"default_singular", "explicit_singular", b"explicit_singular", "implicit_singular", b"implicit_singular", "legacy", b"legacy", "message_field", b"message_field"]
+    def ClearField(self, field_name: _ClearFieldArgType) -> None: ...
 
 Global___Editions2024Test: typing_extensions.TypeAlias = Editions2024Test
+
 ```
 
 Builtin pyi generator: