diff --git a/docs/Plugin API/ui.md b/docs/Plugin API/ui.md
index 8da1b59..7aacd21 100644
--- a/docs/Plugin API/ui.md
+++ b/docs/Plugin API/ui.md
@@ -32,7 +32,7 @@ will be run as a function and will not be expected to return a page component.
| --- | --- | --- | --- |
| page | string \| function | | Page content as a Framework7 component page. If `page` is a string ending in `.f7` it is treated as a file path and the page content will be loaded from disk. If `page` is any other string, it is treated as the page content. If `page` is a function, it will be called and must return the page content (unless `type` is set to `"function"`, see examples) |
| title | string | | Page title. |
-| id | string | | Page ID. Make it unique, or pass an empty string to be assigned a random ID. |
+| id | string | | Page ID. Make it unique, or pass an empty string to be assigned a random ID. Tools with a random ID are not pinnable to the program's main navigation bar. |
| description | string | | Description of this tool for its card on the Tools screen. |
| cardTitle | string | | Title of the card for this page on the Tools screen. |
| icon | string | | FontAwesome icon class, for example, "fa-solid fa-globe". FontAwesome Pro solid, regular, light, and duotone icons are available. |