docs(FAQ): update portal link

docs/knowledge-base/FAQ.mdx

@@ -27,7 +27,7 @@ import { MessageStrip } from '@ui5/webcomponents-react';
 ## Why is my Popover or Dialog not rendered correctly?
 
 Mounting popups, like the Popover, inside of components can lead to unwanted side-effects (wrong positioning, alignment, etc.), to prevent that we recommend either mounting it outside of the component, or mounting it with a React portal.
-You can find out more about how we use portals [here](https://sap.github.io/ui5-webcomponents-react/?path=/docs/knowledge-base-working-with-portals).
+You can find out more about how we use portals [here](https://sap.github.io/ui5-webcomponents-react/?path=/docs/knowledge-base-working-with-portals--docs).
 
 ## Where can I find all compatible versions of `@ui5/webcomponents` and `@ui5/webcomponents-react`?