diff --git a/doc/python/python_intro.rst b/doc/python/python_intro.rst
index 3cd2a00e2..761d252ad 100644
--- a/doc/python/python_intro.rst
+++ b/doc/python/python_intro.rst
@@ -28,6 +28,7 @@ The XGBoost python module is able to load data from:
 - Comma-separated values (CSV) file
 - NumPy 2D array
 - SciPy 2D sparse array
+- cuDF DataFrame
 - Pandas data frame, and
 - XGBoost binary buffer file.