diff --git a/docs/websites/website-navigation.qmd b/docs/websites/website-navigation.qmd
index fade26f562..a3e7f2e749 100644
--- a/docs/websites/website-navigation.qmd
+++ b/docs/websites/website-navigation.qmd
@@ -164,7 +164,6 @@ Here are all of the options available for side navigation:
 |------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
 | `id`             | Optional identifier (used only for hybrid navigation, described below).                                                                                                                                                                                            |
 | `title`          | Sidebar title (uses the project title if none is specified).                                                                                                                                                                                                       |
-| `subtitle`       | Optional subtitle.                                                                                                                                                                                                                                                 |
 | `logo`           | Optional logo image.                                                                                                                                                                                                                                               |
 | `logo-alt`       | Alternate text for the logo image.                                                                                                                                                                                                                                 |
 | `logo-href`      | Target href from sidebar logo. By default, the logo and title link to the root page of the site (`/index.html`).                                                                                                                                                   |