diff --git a/pyproject.toml b/pyproject.toml
index 1e18a65..37debe7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -92,4 +92,5 @@ ignore = [
 ]
 
 [tool.codespell]
-skip = ".git"
+ignore-words-list = "assertIn"
+skip = ".git,./docs/_build"