Sync SDL2 wiki -> header

[ci skip]

Author: SDLWikiBot

include/SDL_main.h

@@ -187,8 +187,8 @@ extern DECLSPEC void SDLCALL SDL_SetMainReady(void);
  * \param name the window class name, in UTF-8 encoding. If NULL, SDL
  *             currently uses "SDL_app" but this isn't guaranteed.
  * \param style the value to use in WNDCLASSEX::style. If `name` is NULL, SDL
- *              currently uses `(CS_BYTEALIGNCLIENT | CS_OWNDC)` regardless of
- *              what is specified here.
+ *              currently uses `(CS_BYTEALIGNCLIENT \| CS_OWNDC)` regardless
+ *              of what is specified here.
  * \param hInst the HINSTANCE to use in WNDCLASSEX::hInstance. If zero, SDL
  *              will use `GetModuleHandle(NULL)` instead.
  * \returns 0 on success, -1 on error. SDL_GetError() may have details.