Examples: Fix financial_research_agent instructions (#573)

Author: seratch

examples/financial_research_agent/main.py

@@ -4,7 +4,7 @@
 
 
 # Entrypoint for the financial bot example.
-# Run this as `python -m examples.financial_bot.main` and enter a
+# Run this as `python -m examples.financial_research_agent.main` and enter a
 # financial research query, for example:
 # "Write up an analysis of Apple Inc.'s most recent quarter."
 async def main() -> None: