diff --git a/.codespellignore b/.codespellignore
new file mode 100644
index 0000000..bf52b4c
--- /dev/null
+++ b/.codespellignore
@@ -0,0 +1 @@
+assertIn
diff --git a/.github/workflows/codespell.yml b/.github/workflows/codespell.yml
index 3e0066a..13c0846 100644
--- a/.github/workflows/codespell.yml
+++ b/.github/workflows/codespell.yml
@@ -18,3 +18,5 @@ jobs:
         uses: actions/checkout@v4
       - name: Codespell
         uses: codespell-project/actions-codespell@v2
+        with:
+            ignore_words_file: .codespellignore