diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 4d073d1e..bcfd65e9 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -82,6 +82,12 @@ repos:
         files: '(^|/)pyproject\.toml$'
         types:
           - toml
+      - id: codespell
+        name: codespell
+        entry: codespell
+        language: python
+        types:
+          - text
       - id: forbidden-files
         name: forbidden files
         entry: found Copier update rejection files; review them and remove them
diff --git a/.vscode/settings.json b/.vscode/settings.json
index 7766d6b5..936f77b9 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -17,6 +17,7 @@
     "autofix",
     "automodule",
     "cobertura",
+    "codespell",
     "commitlint",
     "conventionalcommits",
     "datasource",
diff --git a/Makefile b/Makefile
index df7be12f..9e9af78b 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-.PHONY: clean deepclean install dev prerequisites mypy ruff ruff-format pyproject-fmt lint pre-commit test-run test build publish doc-autobuild doc-gen doc-mypy doc-coverage doc consistency
+.PHONY: clean deepclean install dev prerequisites mypy ruff ruff-format pyproject-fmt codespell lint pre-commit test-run test build publish doc-autobuild doc-gen doc-mypy doc-coverage doc consistency
 
 ########################################################################################
 # Variables
@@ -49,13 +49,14 @@ dev-%:
 	pdm install --dev --group $*
 
 # Prepare the development environment.
-# Install the pacakge in editable mode with all optional dependencies and pre-commit hoook.
+# Install the package in editable mode with all optional dependencies and pre-commit hook.
 dev:
 	pdm install
 	if [ "$(CI)" != "true" ] && command -v pre-commit > /dev/null 2>&1; then pre-commit install; fi
 
 # Install standalone tools
 prerequisites:
+	pipx install --force codespell[toml]==2.3.0
 	pipx install --force pdm==2.16.1
 ifeq ($(PIPX_PYTHON_VERSION), 3.8)
 	pipx install --force pre-commit==3.5.0
@@ -85,8 +86,12 @@ ruff-format:
 pyproject-fmt:
 	pyproject-fmt pyproject.toml
 
+# Check lint with codespell.
+codespell:
+	codespell
+
 # Check lint with all linters.
-lint: mypy ruff ruff-format pyproject-fmt
+lint: mypy ruff ruff-format pyproject-fmt codespell
 
 # Run pre-commit with autofix against all files.
 pre-commit:
diff --git a/pyproject.toml b/pyproject.toml
index da02c085..163feffe 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -95,6 +95,10 @@ lint.per-file-ignores."tests/*" = [
 ]
 lint.pydocstyle.convention = "google"
 
+[tool.codespell]
+write-changes = true
+check-filenames = true
+
 [tool.pyproject-fmt]
 indent = 4
 keep_full_version = true
diff --git a/template/.pre-commit-config.yaml.jinja b/template/.pre-commit-config.yaml.jinja
index a1fe63e5..f3ec4b3b 100644
--- a/template/.pre-commit-config.yaml.jinja
+++ b/template/.pre-commit-config.yaml.jinja
@@ -85,6 +85,12 @@ repos:
         files: '(^|/)pyproject\.toml$'
         types:
           - toml
+      - id: codespell
+        name: codespell
+        entry: codespell
+        language: python
+        types:
+          - text
       - id: forbidden-files
         name: forbidden files
         entry: found Copier update rejection files; review them and remove them
diff --git a/template/.vscode/settings.json b/template/.vscode/settings.json
index 7766d6b5..936f77b9 100644
--- a/template/.vscode/settings.json
+++ b/template/.vscode/settings.json
@@ -17,6 +17,7 @@
     "autofix",
     "automodule",
     "cobertura",
+    "codespell",
     "commitlint",
     "conventionalcommits",
     "datasource",
diff --git a/template/Makefile.jinja b/template/Makefile.jinja
index aa86fd46..52877772 100644
--- a/template/Makefile.jinja
+++ b/template/Makefile.jinja
@@ -1,5 +1,5 @@
 [% from pathjoin("includes", "variable.jinja") import page_url with context -%]
-.PHONY: clean deepclean install dev prerequisites mypy ruff ruff-format pyproject-fmt lint pre-commit test-run test build publish doc-autobuild doc-gen doc-mypy doc-coverage doc
+.PHONY: clean deepclean install dev prerequisites mypy ruff ruff-format pyproject-fmt codespell lint pre-commit test-run test build publish doc-autobuild doc-gen doc-mypy doc-coverage doc
 [%- if project_name == "Serious Scaffold Python" %] consistency[% endif %]
 
 ########################################################################################
@@ -51,13 +51,14 @@ dev-%:
 	pdm install --dev --group $*
 
 # Prepare the development environment.
-# Install the pacakge in editable mode with all optional dependencies and pre-commit hoook.
+# Install the package in editable mode with all optional dependencies and pre-commit hook.
 dev:
 	pdm install
 	if [ "$(CI)" != "true" ] && command -v pre-commit > /dev/null 2>&1; then pre-commit install; fi
 
 # Install standalone tools
 prerequisites:
+	pipx install --force codespell[toml]==2.3.0
 	pipx install --force pdm==2.16.1
 ifeq ($(PIPX_PYTHON_VERSION), 3.8)
 	pipx install --force pre-commit==3.5.0
@@ -87,8 +88,12 @@ ruff-format:
 pyproject-fmt:
 	pyproject-fmt pyproject.toml
 
+# Check lint with codespell.
+codespell:
+	codespell
+
 # Check lint with all linters.
-lint: mypy ruff ruff-format pyproject-fmt
+lint: mypy ruff ruff-format pyproject-fmt codespell
 
 # Run pre-commit with autofix against all files.
 pre-commit:
diff --git a/template/pyproject.toml.jinja b/template/pyproject.toml.jinja
index 60efbe24..191cbc29 100644
--- a/template/pyproject.toml.jinja
+++ b/template/pyproject.toml.jinja
@@ -136,6 +136,10 @@ lint.per-file-ignores."tests/*" = [
 ]
 lint.pydocstyle.convention = "google"
 
+[tool.codespell]
+write-changes = true
+check-filenames = true
+
 [tool.pyproject-fmt]
 indent = 4
 keep_full_version = true