diff --git a/CHANGELOG.md b/CHANGELOG.md
index c17b727..fe7d325 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.0.1a8] - 2025-02-18
+
+### Changed
+
+- Added and edited docstrings to make the auto-generated API reference more clear.
+
 ## [0.0.1a7] - 2025-02-18
 
 ### Changed
@@ -56,7 +62,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Pre-release of the Cleanlab Codex Python client.
 
-[Unreleased]: https://github.com/cleanlab/cleanlab-codex/compare/v0.0.1a6...HEAD
+[Unreleased]: https://github.com/cleanlab/cleanlab-codex/compare/v0.0.1a8...HEAD
+[0.0.1a8]: https://github.com/cleanlab/cleanlab-codex/compare/v0.0.1a7...v0.0.1a8
+[0.0.1a7]: https://github.com/cleanlab/cleanlab-codex/compare/v0.0.1a6...v0.0.1a7
 [0.0.1a6]: https://github.com/cleanlab/cleanlab-codex/compare/v0.0.1a5...v0.0.1a6
 [0.0.1a5]: https://github.com/cleanlab/cleanlab-codex/compare/v0.0.1a4...v0.0.1a5
 [0.0.1a4]: https://github.com/cleanlab/cleanlab-codex/compare/v0.0.1a3...v0.0.1a4
diff --git a/src/cleanlab_codex/codex_tool.py b/src/cleanlab_codex/codex_tool.py
index 1e4e87c..442b8ff 100644
--- a/src/cleanlab_codex/codex_tool.py
+++ b/src/cleanlab_codex/codex_tool.py
@@ -27,6 +27,12 @@ def __init__(
         *,
         fallback_answer: Optional[str] = DEFAULT_FALLBACK_ANSWER,
     ):
+        """Initialize a CodexTool.
+
+        Args:
+            project (Project): The Codex project to use for this tool.
+            fallback_answer (str, optional): The fallback answer to use if the Codex project cannot answer the question. A default will be used if not provided.
+        """
         self._project = project
         self._fallback_answer = fallback_answer
         self._tool_function_schema = pydantic_model_from_function(self._tool_name, self.query)
@@ -40,7 +46,7 @@ def from_access_key(
         *,
         fallback_answer: Optional[str] = DEFAULT_FALLBACK_ANSWER,
     ) -> CodexTool:
-        """Creates a CodexTool from an access key. The CodexTool will use the project ID associated with the access key provided.
+        """Creates a CodexTool from an access key. The CodexTool will use the project associated with the access key provided.
 
         Args:
             access_key (str): The access key for the Codex project.
diff --git a/src/cleanlab_codex/project.py b/src/cleanlab_codex/project.py
index 686c7ce..3c3354a 100644
--- a/src/cleanlab_codex/project.py
+++ b/src/cleanlab_codex/project.py
@@ -33,7 +33,7 @@
 
 
 class MissingProjectError(Exception):
-    """Raised when the project ID does not match any existing project."""
+    """Raised when the project ID or access key does not match any existing project."""
 
     def __str__(self) -> str:
         return "valid project ID or access key is required to authenticate access"
@@ -52,7 +52,7 @@ def __init__(self, sdk_client: _Codex, project_id: str, *, verify_existence: boo
         [`Client.create_project()`](/codex/api/python/client#method-create_project), or [`Project.from_access_key()`](/codex/api/python/project#classmethod-from_access_key) methods.
 
         Args:
-            sdk_client (_Codex): The Codex SDK client to use to interact with the project.
+            sdk_client (Codex): The Codex SDK client to use to interact with the project.
             project_id (str): The ID of the project.
             verify_existence (bool, optional): Whether to verify that the project exists.
         """
@@ -92,10 +92,10 @@ def create(cls, sdk_client: _Codex, organization_id: str, name: str, description
         """Create a new Codex project. This method is not meant to be used directly. Instead, use the [`create_project`](/codex/api/python/client#method-create_project) method on the `Client` class.
 
         Args:
-            sdk_client (_Codex): The Codex SDK client to use to create the project. This client must be authenticated with a user-level API key.
+            sdk_client (Codex): The Codex SDK client to use to create the project. This client must be authenticated with a user-level API key.
             organization_id (str): The ID of the organization to create the project in.
             name (str): The name of the project.
-            description (:obj:`str`, optional): The description of the project.
+            description (str, optional): The description of the project.
 
         Returns:
             Project: The created project.
@@ -118,8 +118,8 @@ def create_access_key(self, name: str, description: str | None = None, expiratio
 
         Args:
             name (str): The name of the access key.
-            description (:obj:`str`, optional): The description of the access key.
-            expiration (:obj:`datetime`, optional): The expiration date of the access key. If not provided, the access key will not expire.
+            description (str, optional): The description of the access key.
+            expiration (datetime, optional): The expiration date of the access key. If not provided, the access key will not expire.
 
         Returns:
             str: The access key token.