Update libraries/microsoft-agents-a365-observability-core/microsoft_agents_a365/observability/core/middleware/baggage_builder.py

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: nikhilNava

libraries/microsoft-agents-a365-observability-core/microsoft_agents_a365/observability/core/middleware/baggage_builder.py

@@ -193,7 +193,7 @@ def conversation_item_link(self, value: str | None) -> "BaggageBuilder":
         self._set(GEN_AI_CONVERSATION_ITEM_LINK_KEY, value)
         return self
 
-    @deprecated("This is a no-op. Use channel_name() or channel_links instead")
+    @deprecated("This is a no-op. Use channel_name() or channel_links() instead.")
     def source_metadata_id(self, value: str | None) -> "BaggageBuilder":
         """Set the execution source metadata ID (e.g., channel ID)."""
         return self