diff --git a/tests/test_coverage_antipattern_pipeline.py b/tests/test_coverage_antipattern_pipeline.py
index 7278c4e..d92704b 100644
--- a/tests/test_coverage_antipattern_pipeline.py
+++ b/tests/test_coverage_antipattern_pipeline.py
@@ -205,8 +205,8 @@ def test_antipattern_with_severity_and_instead_formats_correctly(self):
         }
         line = _format_atom_line(atom)
 
-        assert "[antipattern|0.9]" in line
-        assert "severity: high" in line
+        assert "[KNOWN MISTAKE]" in line
+        assert "Never use rm -rf without checking path first" in line
         assert "instead: Use trash-put or mv to a staging directory" in line
         assert "(id:42)" in line
 
@@ -220,10 +220,10 @@ def test_antipattern_without_severity_still_formats(self):
         }
         line = _format_atom_line(atom)
 
-        assert "[antipattern|0.7]" in line
+        assert "[warning]" in line
         assert "Watch out for race conditions" in line
-        # No severity/instead lines.
-        assert "severity:" not in line
+        # No instead line.
+        assert "instead:" not in line
 
     def test_high_severity_antipattern_stands_out(self):
         """Verify the high-severity antipattern format is visually distinct."""
@@ -239,5 +239,5 @@ def test_high_severity_antipattern_stands_out(self):
 
         # All critical info should be present for the LLM to parse.
         assert "Never commit .env files" in line
-        assert "severity: critical" in line
+        assert "[KNOWN MISTAKE]" in line
         assert "instead: Add .env to .gitignore" in line
diff --git a/tests/test_coverage_cli_hooks.py b/tests/test_coverage_cli_hooks.py
index f0a6ee0..3400a89 100644
--- a/tests/test_coverage_cli_hooks.py
+++ b/tests/test_coverage_cli_hooks.py
@@ -69,7 +69,7 @@ class TestFormatAtomLine:
     def test_basic_fact(self):
         atom = {"type": "fact", "confidence": 0.9, "id": 1, "content": "Python uses GIL"}
         line = _format_atom_line(atom)
-        assert "[fact|0.9]" in line
+        assert "[fact]" in line
         assert "Python uses GIL" in line
         assert "(id:1)" in line
 
@@ -80,8 +80,8 @@ def test_antipattern_with_severity(self):
             "severity": "high", "instead": "Use ast.literal_eval",
         }
         line = _format_atom_line(atom)
-        assert "[antipattern|0.8]" in line
-        assert "severity: high" in line
+        assert "[KNOWN MISTAKE]" in line
+        assert "Don't use eval()" in line
         assert "instead: Use ast.literal_eval" in line
 
     def test_missing_id(self):