diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 714e9156f7..e990a04963 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -39,3 +39,11 @@ repos:
         language: system
         types: [python]
         pass_filenames: false
+
+  - repo: https://github.com/codespell-project/codespell
+    # Configuration for codespell is in pyproject.toml
+    rev: v2.3.0
+    hooks:
+    - id: codespell
+      additional_dependencies:
+      - tomli
diff --git a/docs/graph.md b/docs/graph.md
index d231f6ca3b..74aa4eaf23 100644
--- a/docs/graph.md
+++ b/docs/graph.md
@@ -450,7 +450,7 @@ class Feedback(BaseNode[State, None, Email]):
 async def main():
     user = User(
         name='John Doe',
-        email='john.joe@exmaple.com',
+        email='john.joe@example.com',
         interests=['Haskel', 'Lisp', 'Fortran'],
     )
     state = State(user)
diff --git a/docs/tools.md b/docs/tools.md
index a966a996bd..0f03a07bb2 100644
--- a/docs/tools.md
+++ b/docs/tools.md
@@ -186,7 +186,7 @@ sequenceDiagram
 
 ## Registering Function Tools via kwarg
 
-As well as using the decorators, we can register tools via the `tools` argument to the [`Agent` constructor][pydantic_ai.Agent.__init__]. This is useful when you want to re-use tools, and can also give more fine-grained control over the tools.
+As well as using the decorators, we can register tools via the `tools` argument to the [`Agent` constructor][pydantic_ai.Agent.__init__]. This is useful when you want to reuse tools, and can also give more fine-grained control over the tools.
 
 ```python {title="dice_game_tool_kwarg.py"}
 import random
diff --git a/pydantic_ai_slim/pydantic_ai/models/mistral.py b/pydantic_ai_slim/pydantic_ai/models/mistral.py
index 2968ed4e38..90101e0676 100644
--- a/pydantic_ai_slim/pydantic_ai/models/mistral.py
+++ b/pydantic_ai_slim/pydantic_ai/models/mistral.py
@@ -600,7 +600,7 @@ def _map_content(content: MistralOptionalNullable[MistralContent]) -> str | None
     elif isinstance(content, str):
         result = content
 
-    # Note: Check len to handle potential mismatch between function calls and responses from the API. (`msg: not the same number of function class and reponses`)
+    # Note: Check len to handle potential mismatch between function calls and responses from the API. (`msg: not the same number of function class and responses`)
     if result and len(result) == 0:
         result = None
 
diff --git a/pydantic_ai_slim/pydantic_ai/models/ollama.py b/pydantic_ai_slim/pydantic_ai/models/ollama.py
index 6e167317b8..ae38201676 100644
--- a/pydantic_ai_slim/pydantic_ai/models/ollama.py
+++ b/pydantic_ai_slim/pydantic_ai/models/ollama.py
@@ -80,7 +80,7 @@ def __init__(
     ):
         """Initialize an Ollama model.
 
-        Ollama has built-in compatability for the OpenAI chat completions API ([source](https://ollama.com/blog/openai-compatibility)), so we reuse the
+        Ollama has built-in compatibility for the OpenAI chat completions API ([source](https://ollama.com/blog/openai-compatibility)), so we reuse the
         [`OpenAIModel`][pydantic_ai.models.openai.OpenAIModel] here.
 
         Args:
diff --git a/pyproject.toml b/pyproject.toml
index fdc613b039..1141cdf776 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -183,3 +183,11 @@ ignore_no_config = true
 [tool.inline-snapshot.shortcuts]
 snap-fix=["create", "fix"]
 snap=["create"]
+
+[tool.codespell]
+# Ref: https://github.com/codespell-project/codespell#using-a-config-file
+skip = '.git*,*.svg,*.lock,*.css'
+check-hidden = true
+# Ignore "formatting" like **L**anguage
+ignore-regex = '\*\*[A-Z]\*\*[a-z]+\b'
+# ignore-words-list = ''
diff --git a/tests/typed_graph.py b/tests/typed_graph.py
index 06ef0b6a55..d0b6a02b7e 100644
--- a/tests/typed_graph.py
+++ b/tests/typed_graph.py
@@ -109,6 +109,6 @@ def run_g5() -> None:
     g5.run_sync(A())  # pyright: ignore[reportArgumentType]
     g5.run_sync(A(), state=MyState(x=1))  # pyright: ignore[reportArgumentType]
     g5.run_sync(A(), deps=MyDeps(y='y'))  # pyright: ignore[reportArgumentType]
-    ans, history = g5.run_sync(A(), state=MyState(x=1), deps=MyDeps(y='y'))
-    assert_type(ans, int)
+    answer, history = g5.run_sync(A(), state=MyState(x=1), deps=MyDeps(y='y'))
+    assert_type(answer, int)
     assert_type(history, list[HistoryStep[MyState, int]])