diff --git a/apidoc/graph_objects.rst b/apidoc/graph_objects.rst
index a7a9b89a5..525f9dedd 100644
--- a/apidoc/graph_objects.rst
+++ b/apidoc/graph_objects.rst
@@ -55,7 +55,7 @@ Distributions
    Violin
    Histogram
    Histogram2d
-   Histogram2dcontour
+   Histogram2dContour
 
 Finance
 -------