fix rag app docstring run instructions (#8083)

GitOrigin-RevId: a466ea405392441d78d525da9319e7544d021fd4

integration_tests/rag_evals/README.md

@@ -19,6 +19,10 @@ Run the following to get credentials.
 
 Create the `.env` file and put API key.
 
+## Customizing the Pathway params
+
+Simply change the config in the `app.yaml` file.
+
 ## TODO
 - Add examples to RAGAS answer_correctness evaluator to relax the evaluation (should bump the scored performance a bit)
 - Add gitignore

python/pathway/xpacks/llm/question_answering.py

@@ -370,7 +370,7 @@ class BaseRAGQuestionAnswerer(SummaryQuestionAnswerer):
     ...     prompt_template=prompt_template,
     ... )
     >>> app = QASummaryRestServer(app_host, app_port, rag)  # doctest: +SKIP
-    >>> app.run_server()  # doctest: +SKIP
+    >>> app.run()  # doctest: +SKIP
     """  # noqa: E501
 
     def __init__(