SDL_mixer: include: Fixed some documentation errors. (45076)

From 4507663c632ce5c50e3d156e8f50c1d61dc7c6fa Mon Sep 17 00:00:00 2001
From: "Ryan C. Gordon" <[EMAIL REDACTED]>
Date: Mon, 14 Aug 2023 11:18:22 -0400
Subject: [PATCH] include: Fixed some documentation errors.

Reference https://github.com/libsdl-org/sdlwiki/issues/407

(cherry picked from commit 473d7fca5ccb7080813e9d36d94d5f8aab1f4e40)
---
 include/SDL3_mixer/SDL_mixer.h | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/include/SDL3_mixer/SDL_mixer.h b/include/SDL3_mixer/SDL_mixer.h
index eb9cb253..64168d25 100644
--- a/include/SDL3_mixer/SDL_mixer.h
+++ b/include/SDL3_mixer/SDL_mixer.h
@@ -795,7 +795,7 @@ extern DECLSPEC SDL_bool SDLCALL Mix_HasChunkDecoder(const char *name);
  * These return values are static, read-only data; do not modify or free it.
  * The pointers remain valid until you call Mix_CloseAudio().
  *
- * \returns number of chunk decoders available.
+ * \returns number of music decoders available.
  *
  * \since This function is available since SDL_mixer 2.0.0.
  *
@@ -1893,8 +1893,7 @@ extern DECLSPEC int SDLCALL Mix_Volume(int channel, int volume);
  *
  * The default volume for a chunk is MIX_MAX_VOLUME (no attenuation).
  *
- * \param channel the channel on set/query the volume on, or -1 for all
- *                channels.
+ * \param chunk the chunk whose volume to adjust.
  * \param volume the new volume, between 0 and MIX_MAX_VOLUME, or -1 to query.
  * \returns the previous volume. If the specified volume is -1, this returns
  *          the current volume. If `chunk` is NULL, this returns -1.