Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/17865#discussion_r123180524
--- Diff: python/pyspark/sql/functions.py ---
@@ -1258,7 +1303,7 @@ def hash(*cols):
'uppercase. Words are delimited by whitespace.',
'lower': 'Converts a string column to lower case.',
'upper': 'Converts a string column to upper case.',
- 'reverse': 'Reverses the string column and returns it as a new string
column.',
+ 'reverse': 'Reverses a string column and returns it as a new string
column.',
--- End diff --
ditto. I guess we should match this change to R/Scala ones too.
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