added to doc/source/reference/indexing.rst

twoertwein · twoertwein · commit 9b77738d7d27 · 2021-10-18T14:44:52.000-04:00
diff --git a/doc/source/reference/indexing.rst b/doc/source/reference/indexing.rst
@@ -407,6 +407,7 @@ Methods
     :toctree: api/
 
     DatetimeIndex.mean
+    DatetimeIndex.std
 
 TimedeltaIndex
 --------------
