diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index b23a194..0b60b61 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,46 +1,48 @@
 repos:
 - repo: https://github.com/pre-commit/pre-commit-hooks
   rev: v2.4.0
   hooks:
   - id: trailing-whitespace
   - id: flake8
   - id: check-json
   - id: check-yaml
 
 - repo: https://github.com/codespell-project/codespell
   rev: v1.16.0
   hooks:
   - id: codespell
+    exclude: TODO
+    args: [-L iff]
 
 - repo: local
   hooks:
   - id: mypy
     name: mypy
     entry: mypy
     args: [swh]
     pass_filenames: false
     language: system
     types: [python]
 
 # unfortunately, we are far from being able to enable this...
 #- repo: https://github.com/PyCQA/pydocstyle.git
 #  rev: 4.0.0
 #  hooks:
 #  - id: pydocstyle
 #    name: pydocstyle
 #    description: pydocstyle is a static analysis tool for checking compliance with Python docstring conventions.
 #    entry: pydocstyle --convention=google
 #    language: python
 #    types: [python]
 
 # black requires py3.6+
 #- repo: https://github.com/python/black
 #  rev: 19.3b0
 #  hooks:
 #  - id: black
 #    language_version: python3
 #- repo: https://github.com/asottile/blacken-docs
 #  rev: v1.0.0-1
 #  hooks:
 #  - id: blacken-docs
 #    additional_dependencies: [black==19.3b0]