fix typo in agent_lifecycle_example.py (openai#161)

Author: rm-openai

examples/basic/agent_lifecycle_example.py

@@ -74,7 +74,7 @@ class FinalResult(BaseModel):
 
 start_agent = Agent(
     name="Start Agent",
-    instructions="Generate a random number. If it's even, stop. If it's odd, hand off to the multipler agent.",
+    instructions="Generate a random number. If it's even, stop. If it's odd, hand off to the multiply agent.",
     tools=[random_number],
     output_type=FinalResult,
     handoffs=[multiply_agent],