diff --git a/packages/docs/src/pages/en/components/overlays.md b/packages/docs/src/pages/en/components/overlays.md
index 2fef0281d0b..d22e2d7580f 100644
--- a/packages/docs/src/pages/en/components/overlays.md
+++ b/packages/docs/src/pages/en/components/overlays.md
@@ -135,6 +135,10 @@ No scroll strategy is used.
 
 A **contained** overlay is positioned absolutely and contained inside its parent element.
 
+::: info
+  Note: The parent element must have position: relative.
+:::
+
 <ExamplesExample file="v-overlay/prop-contained" />
 
 ### Misc