HyukjinKwon commented on a change in pull request #33017:
URL: https://github.com/apache/spark/pull/33017#discussion_r657651825
##########
File path: python/docs/source/user_guide/pandas_on_spark/faq.rst
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@@ -2,30 +2,25 @@
FAQ
===
-Is it Koalas or koalas?
------------------------
+Should I use PySpark's DataFrame API or pandas API on Spark?
+------------------------------------------------------------
-It's Koalas. Unlike pandas, we use upper case here.
+If you are already familiar with pandas and want to leverage Spark for big
data, we recommend using pandas API on Spark.
+If you are learning Spark from ground up, we recommend you start with
PySpark's API.
-Should I use PySpark's DataFrame API or Koalas?
------------------------------------------------
-
-If you are already familiar with pandas and want to leverage Spark for big
data, we recommend
-using Koalas. If you are learning Spark from ground up, we recommend you start
with PySpark's API.
-
-Does Koalas support Structured Streaming?
+Does pandas API on Spark support Structured Streaming?
-----------------------------------------
Review comment:
@itholic can you fix this underbars? it causes warnings:
```
/.../spark/python/docs/source/user_guide/pandas_on_spark/faq.rst:12:
WARNING: Title underline too short.
Does pandas API on Spark support Structured Streaming?
-----------------------------------------
/.../spark/python/docs/source/user_guide/pandas_on_spark/faq.rst:12:
WARNING: Title underline too short.
Does pandas API on Spark support Structured Streaming?
-----------------------------------------
```
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