diff --git a/docs/data/material/customization/shadow-dom/shadow-dom.md b/docs/data/material/customization/shadow-dom/shadow-dom.md
index 6a698c6ad3ea7e..a5713d4a6de885 100644
--- a/docs/data/material/customization/shadow-dom/shadow-dom.md
+++ b/docs/data/material/customization/shadow-dom/shadow-dom.md
@@ -64,6 +64,8 @@ const theme = createTheme({
 </ThemeProvider>;
 ```
 
+The `container` prop only needs to be set on the base components that render directly through the `Portal`: `Modal`, `Popover`, and `Popper`. Higher-level components (like `Dialog`, `Menu`, or `Tooltip`) render these base components internally and inherit the container prop automatically.
+
 ### 3. CSS theme variables (optional)
 
 :::info