Merge pull request #10200 from jakevdp/doc_fix

DOC: minor doc fix for Series.append; indices can overlap

Author: jorisvandenbossche

pandas/core/series.py

@@ -1442,7 +1442,7 @@ def searchsorted(self, v, side='left', sorter=None):
 
     def append(self, to_append, verify_integrity=False):
         """
-        Concatenate two or more Series. The indexes must not overlap
+        Concatenate two or more Series.
 
         Parameters
         ----------