better explain what code disctionary contains
https://github.com/codespell-project/codespell/pull/2144#issuecomment-966919948
diff --git a/codespell_lib/_codespell.py b/codespell_lib/_codespell.py
index becf4d4..d02407c 100644
--- a/codespell_lib/_codespell.py
+++ b/codespell_lib/_codespell.py
@@ -58,7 +58,7 @@
True, True, supported_languages_en, supported_languages_en),
('usage', 'for replacing phrasing with recommended terms', '_usage',
None, None, None, None),
- ('code', 'for words common to code and/or mathematics that might be typos', '_code', # noqa: E501
+ ('code', 'for words from code and/or mathematics that are likely typos in other context (such as uint)', '_code', # noqa: E501
None, None, None, None,),
('names', 'for valid proper names that might be typos', '_names',
None, None, None, None,),
