/**
* This function gives you custom hooks into the window manager information.
* It fills the structure pointed to by 'info' with custom information and
- * returns 0 if the function is not implemented, 1 if the function is
- * implemented and no error occurred, and -1 if the version member of
- * the 'info' structure is not filled in or not supported.
+ * returns 1 if the function is implemented. If it's not implemented, or
+ * the version member of the 'info' structure is invalid, it returns 0.
*
* You typically use this function like this:
* @code
- * SDL_SysWMinfo info;
+ * SDL_SysWMInfo info;
* SDL_VERSION(&info.version);
* if ( SDL_GetWMInfo(&info) ) { ... }
* @endcode