diff --git a/sites/svelte-5-preview/src/routes/docs/content/03-appendix/02-breaking-changes.md b/sites/svelte-5-preview/src/routes/docs/content/03-appendix/02-breaking-changes.md
index 4f104fa9852f..32fd0ac15492 100644
--- a/sites/svelte-5-preview/src/routes/docs/content/03-appendix/02-breaking-changes.md
+++ b/sites/svelte-5-preview/src/routes/docs/content/03-appendix/02-breaking-changes.md
@@ -261,6 +261,32 @@ This is a footgun. In runes mode, if you want to concatenate stuff you must wrap
Note that Svelte 5 will also warn if you have a single expression wrapped in quotes, like `answer="{42}"` — in Svelte 6, that will cause the value to be converted to a string, rather than passed as a number.
+### HTML structure is stricter
+
+In Svelte 4, you were allowed to write HTML code that would be repaired by the browser when server side rendering it. For example you could write this...
+
+```svelte
+
+```
+
+... and the browser would auto-insert a `` element:
+
+```svelte
+
+```
+
+Svelte 5 is more strict about the HTML structure and will throw a compiler error in cases where the browser would repair the DOM.
+
## Other breaking changes
### Stricter `@const` assignment validation