diff --git a/net_alerter/test_ble_alerter.py b/net_alerter/test_ble_alerter.py
index ecfaf9b..54e755e 100755
--- a/net_alerter/test_ble_alerter.py
+++ b/net_alerter/test_ble_alerter.py
@@ -36,12 +36,16 @@ class TestIsGenericName(unittest.TestCase):
         """Names < 3 chars are generic."""
         self.assertTrue(ble_alerter.is_generic_name("a"))
         self.assertTrue(ble_alerter.is_generic_name("ab"))
-        self.assertFalse(ble_alerter.is_generic_name("abc"))
+        # Names with 3+ chars but non-hex are OK
+        self.assertFalse(ble_alerter.is_generic_name("iOS"))
+        self.assertFalse(ble_alerter.is_generic_name("Dog"))
     
     def test_all_hex(self):
-        """Pure hex is generic."""
+        """Pure hex is generic (looks like MAC fragment)."""
         self.assertTrue(ble_alerter.is_generic_name("ABCDEF"))
         self.assertTrue(ble_alerter.is_generic_name("123456"))
+        self.assertTrue(ble_alerter.is_generic_name("abc"))  # a, b, c are hex digits
+        # iPhone contains 'h' which is hex, but 'o' and 'n' are not
         self.assertFalse(ble_alerter.is_generic_name("iPhone"))
     
     def test_generic_patterns(self):