diff --git a/pages/Configuring/Workspace-Rules.md b/pages/Configuring/Workspace-Rules.md
index 56de013..1c748a3 100644
--- a/pages/Configuring/Workspace-Rules.md
+++ b/pages/Configuring/Workspace-Rules.md
@@ -25,6 +25,7 @@ Props:
  - `n[bool]`, `n[s:string]`, `n[e:string]` - named actions. `n[bool]` -> whether a workspace is a named workspace, `s` and `e` are starts and ends with respectively
  - `m[monitor]` - Monitor selector
  - `w[(flags)A-B]`, `w[(flags)X]` - Prop for window counts on the workspace. A-B is an inclusive range, X is a specific number. Flags can be omitted. It can be `t` for tiled-only, `f` for floating-only, `g` to count groups instead of windows, and `v` to count only visible windows.
+ - `f[-1]`, `f[0]`, `f[1]`, `f[2]` - fullscreen state of the workspace. `-1`: no fullscreen, `0`: fullscreen, `1`: maximized, `2`, fullscreen without fullscreen state sent to the window.
 
 ### Syntax