diff --git a/.codespell-ignore b/.codespell-ignore
new file mode 100644
index 0000000..2b66944
--- /dev/null
+++ b/.codespell-ignore
@@ -0,0 +1,4 @@
+# Codespell wants "socioeconomic" which seems to be the standard spelling.
+# But we use the word in our code of conduct which is the contributor covenant.
+# Let's not modify it if we don't have to.
+socio-economic
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index c957c84..db11880 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -17,6 +17,7 @@ repos:
     rev: v2.3.0
     hooks:
       - id: codespell
+        args: [--ignore-words=.codespell-ignore]
   - repo: https://github.com/pre-commit/pygrep-hooks
     rev: v1.10.0
     hooks:
diff --git a/template/pyproject.toml.jinja b/template/pyproject.toml.jinja
index ef35cf3..9011865 100644
--- a/template/pyproject.toml.jinja
+++ b/template/pyproject.toml.jinja
@@ -107,3 +107,11 @@ enable_error_code = [
     "truthy-bool",
 ]
 warn_unreachable = true
+
+[tool.codespell]
+ignore-words-list = [
+    # Codespell wants "socioeconomic" which seems to be the standard spelling.
+    # But we use the word in our code of conduct which is the contributor covenant.
+    # Let's not modify it if we don't have to.
+    "socio-economic",
+]