diff --git a/doc/source/user_guide/indexing.rst b/doc/source/user_guide/indexing.rst
index 24cdbad41fe60..fd843ca68a60b 100644
--- a/doc/source/user_guide/indexing.rst
+++ b/doc/source/user_guide/indexing.rst
@@ -262,6 +262,10 @@ The most robust and consistent way of slicing ranges along arbitrary axes is
 described in the :ref:`Selection by Position <indexing.integer>` section
 detailing the ``.iloc`` method. For now, we explain the semantics of slicing using the ``[]`` operator.
 
+    .. note::
+
+        When the :class:`Series` has float indices, slicing will select by position.
+
 With Series, the syntax works exactly as with an ndarray, returning a slice of
 the values and the corresponding labels: