diff --git a/tests/test_audit_regressions.py b/tests/test_audit_regressions.py
index 6163e97a..7485084b 100644
--- a/tests/test_audit_regressions.py
+++ b/tests/test_audit_regressions.py
@@ -2995,8 +2995,8 @@ class APackNoteBesideItsSlotIsANote(unittest.TestCase):
 
 
 class NoHandlerSwallowsEverything(unittest.TestCase):
-    """CLAUDE.md forbids `except Exception: pass`, but the edit hook missed the
-    two-line form and nothing in CI checked it."""
+    """The project forbids `except Exception: pass`, but the edit hook missed
+    the two-line form and nothing in CI checked it."""
 
     def test_no_catch_all_handler_only_passes(self):
         import ast
diff --git a/tests/test_prose_style.py b/tests/test_prose_style.py
index f990019c..84d750ab 100644
--- a/tests/test_prose_style.py
+++ b/tests/test_prose_style.py
@@ -141,6 +141,26 @@ class NoMarketingVocabulary(unittest.TestCase):
         self.assertEqual(offenders, [], "\n".join(offenders[:40]))
 
 
+class NoToolingNames(unittest.TestCase):
+    """Nothing committed names the private notes or the agent tooling the
+    maintainer works with. Two test docstrings did, and history keeps them."""
+
+    NAMES = re.compile(
+        r"(?i)\b(claude|anthropic)\b|prompt\.md|\.claude/"
+    )
+
+    def test_no_tracked_file_names_them(self):
+        offenders = []
+        for path in _tracked():
+            if path.name == "test_prose_style.py":
+                continue
+            text = path.read_text(encoding="utf-8", errors="replace")
+            for number, line in enumerate(text.splitlines(), 1):
+                if self.NAMES.search(line):
+                    offenders.append(f"{path.relative_to(ROOT)}:{number}")
+        self.assertEqual(offenders, [], "\n".join(offenders[:20]))
+
+
 class NoClauseSemicolons(unittest.TestCase):
     def _check(self, files: list[Path], extract) -> None:
         offenders = []
diff --git a/tests/test_target_names.py b/tests/test_target_names.py
index 146496a3..30e5d012 100644
--- a/tests/test_target_names.py
+++ b/tests/test_target_names.py
@@ -158,7 +158,7 @@ class TheListingCountsWhatTheFilterUses(unittest.TestCase):
 
 
 class ASingleTargetFiltersNothing(unittest.TestCase):
-    """CLAUDE.md's rule, held on the real data: RetroBat, RetroDECK and RomM
+    """The single-target rule, held on the real data: RetroBat, RetroDECK and RomM
     have one target each, and hand-kept lists dropped 98, 300 and 132 cores
     from a pack the user had only asked to name."""