diff --git a/docs/README-migration.md b/docs/README-migration.md
index 3d229d8b50..82a2d26c8d 100644
--- a/docs/README-migration.md
+++ b/docs/README-migration.md
@@ -753,6 +753,8 @@ You can instead use 'SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CON
 
 SDL_VideoInit() and SDL_VideoQuit() have been removed. Instead you can call SDL_InitSubSytem() and SDL_QuitSubSytem() with SDL_INIT_VIDEO, which will properly refcount the subsystems. You can choose a specific audio driver using SDL_VIDEO_DRIVER hint.
 
+'SDL_WINDOW_SHOW' flag has been removed. It's activated by default, and can be unactivated by using SDL_WINDOW_HIDDEN
+