diff --git a/src/pipecat/utils/tracing/service_attributes.py b/src/pipecat/utils/tracing/service_attributes.py
index 97ac49d87..21a22341f 100644
--- a/src/pipecat/utils/tracing/service_attributes.py
+++ b/src/pipecat/utils/tracing/service_attributes.py
@@ -107,7 +107,7 @@ def add_tts_span_attributes(
     if ttfb is not None:
         span.set_attribute("metrics.ttfb", ttfb)
 
-    # Add settings if provided
+    # Use given_fields() defensively in case a service doesn't initialize all settings.
     if settings:
         for key, value in settings.given_fields().items():
             if isinstance(value, (str, int, float, bool)):
@@ -171,7 +171,7 @@ def add_stt_span_attributes(
     if ttfb is not None:
         span.set_attribute("metrics.ttfb", ttfb)
 
-    # Add settings if provided
+    # Use given_fields() defensively in case a service doesn't initialize all settings.
     if settings:
         for key, value in settings.given_fields().items():
             if isinstance(value, (str, int, float, bool)):
@@ -359,7 +359,7 @@ def add_gemini_live_span_attributes(
     if tools_serialized:
         span.set_attribute("tools.definitions", tools_serialized)
 
-    # Add settings if provided
+    # Use given_fields() defensively in case a service doesn't initialize all settings.
     if settings:
         for key, value in settings.given_fields().items():
             if isinstance(value, (str, int, float, bool)):
diff --git a/src/pipecat/utils/tracing/service_decorators.py b/src/pipecat/utils/tracing/service_decorators.py
index 304ecb5e8..f4764d248 100644
--- a/src/pipecat/utils/tracing/service_decorators.py
+++ b/src/pipecat/utils/tracing/service_decorators.py
@@ -507,7 +507,8 @@ def traced_llm(func: Optional[Callable] = None, *, name: Optional[str] = None) -
                             elif hasattr(self, "_system_instruction"):
                                 system_message = self._system_instruction
 
-                            # Get settings from the service
+                            # Use given_fields() defensively in case a service doesn't
+                            # initialize all settings.
                             params = {}
                             if hasattr(self, "_settings"):
                                 for key, value in self._settings.given_fields().items():