SDL: Sync SDL3 wiki -> header (3c13b)

From 3c13bae64fe012f971db901737660da597527e06 Mon Sep 17 00:00:00 2001
From: SDL Wiki Bot <[EMAIL REDACTED]>
Date: Mon, 25 Nov 2024 19:07:53 +0000
Subject: [PATCH] Sync SDL3 wiki -> header

[ci skip]
---
 include/SDL3/SDL_video.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/SDL3/SDL_video.h b/include/SDL3/SDL_video.h
index da20056bc69c6..e4c9e278f227f 100644
--- a/include/SDL3/SDL_video.h
+++ b/include/SDL3/SDL_video.h
@@ -2357,6 +2357,7 @@ extern SDL_DECLSPEC bool SDLCALL SDL_SetWindowParent(SDL_Window *window, SDL_Win
  * \since This function is available since SDL 3.1.3.
  *
  * \sa SDL_SetWindowParent
+ * \sa SDL_WINDOW_MODAL
  */
 extern SDL_DECLSPEC bool SDLCALL SDL_SetWindowModal(SDL_Window *window, bool modal);