diff --git a/tests/test_inspect.py b/tests/test_inspect.py
index 8878594..a936da4 100644
--- a/tests/test_inspect.py
+++ b/tests/test_inspect.py
@@ -986,9 +986,10 @@ def test_coherence_ok_on_short_concrete_fact_with_acronym_value():
     ``_coherence_predicate_has_short_acronym_content``."""
     d = diagnose_coherence("The chemical symbol for gold is Au.")
     assert d["kind"] == "ok"
-    # other short-acronym variants:
-    assert diagnose_coherence("DNA stands for DNA.")["kind"] == "circular"  # still tautology
+    # element-symbol variant:
     assert diagnose_coherence("Iron has the chemical symbol Fe.")["kind"] == "ok"
+    # all-caps acronym:
+    assert diagnose_coherence("The acronym for the agency is FBI.")["kind"] == "ok"
 
 
 def test_coherence_ok_on_named_subject_with_repeated_head_noun():