Fix comment formatting in tracer_instrumentor.py

Author: pontemonti

libraries/microsoft-agents-a365-observability-extensions-langchain/microsoft_agents_a365/observability/extensions/langchain/tracer_instrumentor.py

@@ -48,7 +48,7 @@ def _instrument(self, **kwargs: Any) -> None:
         tracer_name: str | None = kwargs.get("tracer_name")
         tracer_version: str | None = kwargs.get("tracer_version")
 
-        # Prefer the Agent365 tracer; fall back to OpenTelemetry’s default if needed.
+        # Prefer the Agent 365 tracer; fall back to OpenTelemetry’s default if needed.
         try:
             tracer = get_tracer(tracer_name, tracer_version)
         except Exception: