diff --git a/docs/data/material/migration/migrating-to-v6/migrating-to-v6.md b/docs/data/material/migration/migrating-to-v6/migrating-to-v6.md
index ff7944738fbd6d..85fcc27c5ae3fd 100644
--- a/docs/data/material/migration/migrating-to-v6/migrating-to-v6.md
+++ b/docs/data/material/migration/migrating-to-v6/migrating-to-v6.md
@@ -119,6 +119,23 @@ This results in a reduction of the `@mui/material` package size by 2.5MB or 25%
 Instead, using ESM-based CDNs such as [esm.sh](https://esm.sh/) is recommended.
 For alternative installation methods, refer to the [CDN documentation](/material-ui/getting-started/installation/#cdn).
 
+### Accordion
+
+#### children is required in slots.transition
+
+The children prop in components passed to either `slots.transition` or `TransitionComponent` props in the Accordion component must be required in TypeScript.
+
+```diff
+ function CustomTransition(props: {
+-  children?: React.ReactElement
++  children: React.ReactElement
+ }) {
+   ...
+ }
+
+ <Accordion slots={{ transition: CustomTransition }} />
+```
+
 ### Autocomplete
 
 #### New reason values added to onInputChange