diff --git a/Workspace.md b/Workspace.md
index 03baa0f..bbbb28c 100644
--- a/Workspace.md
+++ b/Workspace.md
@@ -17,6 +17,6 @@ Let's say you have identified the workspaces and their subtrees. Define on the r
 
 *   `workspace` - just marks this note as workspace, button to enter the workspace is controlled by this
 *   `workspaceIconClass` - controls box icon to be displayed in the tree and tabs, example `bx bx-home`. See [https://boxicons.com/](https://boxicons.com/)
-*   `workspaceTabBackgroundColor` - color of the tab
+*   `workspaceTabBackgroundColor` - color of the tab, use any CSS color format
 
 Workspaces are available since Trilium v0.46.
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