Docstring fix

Author: h-vetinari

pandas/core/strings.py

@@ -1930,8 +1930,8 @@ def _get_series_list(self, others, ignore_index=False):
 
         Parameters
         ----------
-        others : Series, DataFrame, np.ndarray, list-like or list-like of
-            objects that are either Series, np.ndarray (1-dim) or list-like
+        others : Series, Index, DataFrame, np.ndarray, list-like or list-like
+            of objects that are Series, Index, np.ndarray (1-dim)
         ignore_index : boolean, default False
             Determines whether to forcefully align others with index of caller