docs: No subject (GITBOOK-899)

docs/tracing/integrations-tracing/openai.md

@@ -32,7 +32,7 @@ px.launch_app()
 ```python
 from phoenix.otel import register
 
-register(
+tracer_provider = register(
   project_name="my-llm-app", # Default is 'default'
 )  
 ```
@@ -153,7 +153,6 @@ Initialize the OpenAIInstrumentor before your application code:
 ```python
 from openinference.instrumentation.openai import OpenAIInstrumentor
 
-tracer_provider = register()
 OpenAIInstrumentor().instrument(tracer_provider=tracer_provider)
 ```