diff --git a/pyproject.toml b/pyproject.toml
index e9e6e16..ef15101 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -78,3 +78,6 @@ skip = [".gitignore", "venv", ".nox"]
 
 [tool.mypy]
 strict = true
+show_error_codes = true  # don't guess the CODE in 'type: ignore[CODE]'
+show_column_numbers = true
+show_error_context = true