SDL: Clarify migration for GetWindowData and SetWindowData

From 2be89f0dd1f7286b5faff3a56094a81ffdaf72bc Mon Sep 17 00:00:00 2001
From: Willem Dinkelspiel <[EMAIL REDACTED]>
Date: Tue, 31 Dec 2024 16:53:34 -0500
Subject: [PATCH] Clarify migration for GetWindowData and SetWindowData

---
 docs/README-migration.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/docs/README-migration.md b/docs/README-migration.md
index 59f3914a32034..c18bf7468942c 100644
--- a/docs/README-migration.md
+++ b/docs/README-migration.md
@@ -2216,8 +2216,8 @@ The following functions have been removed:
 * SDL_GetNumVideoDisplays() - replaced with SDL_GetDisplays()
 * SDL_SetWindowGrab() - use SDL_SetWindowMouseGrab() instead, along with SDL_SetWindowKeyboardGrab() if you also set SDL_HINT_GRAB_KEYBOARD.
 * SDL_GetWindowGrab() - use SDL_GetWindowMouseGrab() instead, along with SDL_GetWindowKeyboardGrab() if you also set SDL_HINT_GRAB_KEYBOARD.
-* SDL_GetWindowData() - use SDL_GetWindowProperties() instead
-* SDL_SetWindowData() - use SDL_GetWindowProperties() instead
+* SDL_GetWindowData() - use SDL_GetPointerProperty() instead, along with SDL_GetWindowProperties()
+* SDL_SetWindowData() - use SDL_SetPointerProperty() instead, along with SDL_GetWindowProperties()
 * SDL_CreateWindowFrom() - use SDL_CreateWindowWithProperties() with the properties that allow you to wrap an existing window
 * SDL_SetWindowInputFocus() - use SDL_RaiseWindow() instead
 * SDL_SetWindowModalFor() - use SDL_SetWindowParent() with SDL_SetWindowModal() instead