Fixed typo in SDL_audio.h

(cherry picked from commit da4608e)

include/SDL_audio.h

@@ -594,7 +594,7 @@ extern DECLSPEC int SDLCALL SDL_GetDefaultAudioInfo(char **name,
  *   frames_ (with stereo output, two samples--left and right--would make a
  *   single sample frame). This number should be a power of two, and may be
  *   adjusted by the audio driver to a value more suitable for the hardware.
- *   Good values seem to range between 512 and 8096 inclusive, depending on
+ *   Good values seem to range between 512 and 4096 inclusive, depending on
  *   the application and CPU speed. Smaller values reduce latency, but can
  *   lead to underflow if the application is doing heavy processing and cannot
  *   fill the audio buffer in time. Note that the number of sample frames is