SDL_mixer: Sync SDL3_mixer wiki -> header (c303e)

From c303e48272931c9c8b13f69566338cec5a8f433a Mon Sep 17 00:00:00 2001
From: SDL Wiki Bot <[EMAIL REDACTED]>
Date: Mon, 9 Mar 2026 18:23:10 +0000
Subject: [PATCH] Sync SDL3_mixer wiki -> header

[ci skip]

(cherry picked from commit 28b0ce41c7dc45dadd97142ebb3cc9cf764cce54)
---
 include/SDL3_mixer/SDL_mixer.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/SDL3_mixer/SDL_mixer.h b/include/SDL3_mixer/SDL_mixer.h
index 5d6b770a..f8d6355e 100644
--- a/include/SDL3_mixer/SDL_mixer.h
+++ b/include/SDL3_mixer/SDL_mixer.h
@@ -551,7 +551,7 @@ extern SDL_DECLSPEC bool SDLCALL MIX_GetMixerFormat(MIX_Mixer *mixer, SDL_AudioS
  * locked until the final matching unlock call.
  *
  * Do not lock the mixer for significant amounts of time, or it can cause
- * audio dropouts. Just do simply things quickly and unlock again.
+ * audio dropouts. Just do simple things quickly and unlock again.
  *
  * Locking a NULL mixer is a safe no-op.
  *