added explanation for return value of MultiIndex.get_level_values

Author: tp

pandas/core/indexes/multi.py

@@ -893,6 +893,8 @@ def get_level_values(self, level):
         Returns
         -------
         values : Index
+            ``values`` is a level of this MultiIndex converted to 
+            a single :class:`Index` (or subclass thereof).
 
         Examples
         ---------

pandas/tests/indexes/test_base.py

@@ -1438,7 +1438,7 @@ def test_get_level_values(self):
         result = self.strIndex.get_level_values(0)
         tm.assert_index_equal(result, self.strIndex)
 
-        # GH 17414
+        # test for name (GH 17414)
         index_with_name = self.strIndex.copy()
         index_with_name.name = 'a'
         result = index_with_name.get_level_values('a')