diff --git a/doc/index.rst b/doc/index.rst
index dabdd82bf..ccd9c7ca5 100644
--- a/doc/index.rst
+++ b/doc/index.rst
@@ -8,6 +8,9 @@ Our package has implemented unsupervised forests (Geodesic Forests
 [Madhyastha2020]_), oblique random forests (SPORF [Tomita2020]_, manifold random forests,
 MORF [Li2023]_), honest forests [Perry2021]_, extended isolation forests [Hariri2019]_, and more.
 
+For all forests, we also support incremental building of the forests, using the
+``partial_fit`` API from scikit-learn [Xu2022]_.
+
 We encourage you to use the package for your research and also build on top
 with relevant Pull Requests. See our examples for walk-throughs of how to use the package.
 Also, see our `contributing guide <https://github.com/neurodata/treeple/blob/main/CONTRIBUTING.md>`_.