updated doc for pandas.Series.str.split() method

Author: mananpal1997

pandas/core/strings.py

@@ -1103,7 +1103,7 @@ def str_split(arr, pat=None, n=None):
     Parameters
     ----------
     pat : string, default None
-        String or regular expression to split on. If None, splits on whitespace.
+        String or regular expression to split on. If None, split on whitespace.
     n : int, default -1 (all)
         * None, 0 and -1 will be interpreted as return all splits.
         * Vary output dimensionality if `expand` is True: