diff --git a/encord/objects/classification_instance.py b/encord/objects/classification_instance.py
index a40ddf74..850ae94a 100644
--- a/encord/objects/classification_instance.py
+++ b/encord/objects/classification_instance.py
@@ -690,7 +690,7 @@ def _is_selectable_child_attribute(self, attribute: Attribute) -> bool:
     def _check_within_range(self, frame: int) -> None:
         if frame < 0 or frame >= self._last_frame:
             raise LabelRowError(
-                f"The supplied frame of `{frame}` is not within the acceptable bounds of `0` to `{self._last_frame}`."
+                f"The supplied frame of `{frame}` is not within the acceptable bounds of `0` to `{self._last_frame}`. "
                 f"Note: for non-geometric data (e.g. {DataType.AUDIO} and {DataType.PLAIN_TEXT}), "
                 f"the entire file only has 1 frame."
             )
diff --git a/tests/objects/test_label_structure.py b/tests/objects/test_label_structure.py
index 1a823d68..593dd25a 100644
--- a/tests/objects/test_label_structure.py
+++ b/tests/objects/test_label_structure.py
@@ -1134,7 +1134,8 @@ def test_audio_classification_exceed_max_frames(ontology, empty_audio_label_row:
     with pytest.raises(LabelRowError) as e:
         classification_instance.set_for_frames(frames=5000)
 
-    assert e.value.message == "The supplied frame of `5000` is not within the acceptable bounds of `0` to `1`."
+    assert e.value.message == ("The supplied frame of `5000` is not within the acceptable bounds of `0` to `1`. "
+                               "Note: for non-geometric data (e.g. AUDIO and PLAIN_TEXT), the entire file only has 1 frame.")
 
     range_list = classification_instance.range_list
     assert len(range_list) == 1