diff --git a/Getting-Started.md b/Getting-Started.md
index 9a74449..86f5a24 100644
--- a/Getting-Started.md
+++ b/Getting-Started.md
@@ -453,6 +453,8 @@ ImGui::UpdatePlatformWindows();
 ImGui::RenderPlatformWindowsDefault();
 ```
 
+Note that there may be additional calls required surrounding this depending on the backend you are using (OpenGL in particular). Check the [example project](https://github.com/ocornut/imgui/tree/docking/examples) appropriate to your setup for details.
+
 ## Once you are setup...
 
 - Run `ImGui::ShowDemoWindow()`. Browse imgui_demo.cpp to find how things are done.