DOC: update the pandas.Series.shift docstring

Last example updated, now it's explicit that the time series was shifted.

Author: ZackStone

pandas/core/generic.py

@@ -6878,35 +6878,35 @@ def mask(self, cond, other=np.nan, inplace=False, axis=None, level=None,
 
         >>> import datetime
         >>> names = ['João', 'Maria', 'Emanuel', 'Jussara', 'José']
-        >>> dates = [datetime.datetime(2018, 3, 1),
-        ...          datetime.datetime(2018, 3, 5),
-        ...          datetime.datetime(2018, 3, 10),
-        ...          datetime.datetime(2018, 3, 15),
-        ...          datetime.datetime(2018, 3, 20)]        
+        >>> dates = [datetime.datetime(2018, 3, 1, 11, 15),
+        ...          datetime.datetime(2018, 3, 5, 11, 15),
+        ...          datetime.datetime(2018, 3, 10, 11, 15),
+        ...          datetime.datetime(2018, 3, 15, 11, 15),
+        ...          datetime.datetime(2018, 3, 20, 11, 15)]
         >>> df = pd.DataFrame(data={'names': names}, index=dates)
         >>> print(df)
-                      names
-        2018-03-01     João
-        2018-03-05    Maria
-        2018-03-10  Emanuel
-        2018-03-15  Jussara
-        2018-03-20     José
+                               names
+        2018-03-01 11:15:00     João
+        2018-03-05 11:15:00    Maria
+        2018-03-10 11:15:00  Emanuel
+        2018-03-15 11:15:00  Jussara
+        2018-03-20 11:15:00     José
 
         >>> df.shift(periods=2, freq='D')
-                      names
-        2018-03-03     João
-        2018-03-07    Maria
-        2018-03-12  Emanuel
-        2018-03-17  Jussara
-        2018-03-22     José
+                               names
+        2018-03-03 11:15:00     João
+        2018-03-07 11:15:00    Maria
+        2018-03-12 11:15:00  Emanuel
+        2018-03-17 11:15:00  Jussara
+        2018-03-22 11:15:00     José
 
         >>> df.shift(periods=75, freq='min')
                                names
-        2018-03-01 01:15:00     João
-        2018-03-05 01:15:00    Maria
-        2018-03-10 01:15:00  Emanuel
-        2018-03-15 01:15:00  Jussara
-        2018-03-20 01:15:00     José
+        2018-03-01 12:30:00     João
+        2018-03-05 12:30:00    Maria
+        2018-03-10 12:30:00  Emanuel
+        2018-03-15 12:30:00  Jussara
+        2018-03-20 12:30:00     José
 
         See Also
         --------