message: minor 'read_sql' docstring updates
diff: @@ -34,24 +34,24 @@ def read_sql(
  conn
  the connection string.
  query
  - a SQL query or a list of SQL query.
  + a SQL query or a list of SQL queries.
  return_type
  - the return type of this function. It can be "arrow", "pandas", "modin", "dask" or "polars".
  + the return type of this function; one of "arrow", "pandas", "modin", "dask" or "polars".
  protocol
  backend-specific transfer protocol directive; defaults to 'binary' (except for redshift
  connection strings, where 'cursor' will be used instead).
  partition_on
  - the column to partition the result.
  + the column on which to partition the result.
  partition_range
  the value range of the partition column.
  partition_num
  - how many partition to generate.
  + how many partitions to generate.
  index_col
  - the index column to set, only applicable for return type "pandas", "modin", "dask".
  + the index column to set; only applicable for return type "pandas", "modin", "dask".
  Examples
  ========
  - Read a DataFrame from a SQL using a single thread:
  + Read a DataFrame from a SQL query using a single thread:
  >>> postgres_url = "postgresql://username:password@server:port/database"
  >>> query = "SELECT * FROM lineitem"
  @@ -63,7 +63,7 @@ def read_sql(
  >>> query = "SELECT * FROM lineitem"
  >>> read_sql(postgres_url, query, partition_on="partition_col", partition_num=10)
  - Read a DataFrame in parallel using 2 threads by manually providing two partition SQLs:
  + Read a DataFrame in parallel using 2 threads by explicitly providing two SQL queries:
  >>> postgres_url = "postgresql://username:password@server:port/database"
  >>> queries = ["SELECT * FROM lineitem WHERE partition_col <= 10", "SELECT * FROM lineitem WHERE partition_col > 10"]
  