SDL: Sync SDL3 wiki -> header (949ec)

https://github.com/libsdl-org/SDL/commit/949ec0c5013366da5643b5257ff69e3a15462963

From 949ec0c5013366da5643b5257ff69e3a15462963 Mon Sep 17 00:00:00 2001
From: SDL Wiki Bot <[EMAIL REDACTED]>
Date: Sun, 12 Jan 2025 23:52:58 +0000
Subject: [PATCH] Sync SDL3 wiki -> header

[ci skip]
---
 include/SDL3/SDL_mutex.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/SDL3/SDL_mutex.h b/include/SDL3/SDL_mutex.h
index de66c945a9a30..8e2c8651b4bf3 100644
--- a/include/SDL3/SDL_mutex.h
+++ b/include/SDL3/SDL_mutex.h
@@ -963,7 +963,7 @@ typedef enum SDL_InitStatus
  *    {
  *        if (!SDL_ShouldQuit(&init)) {
  *            // The system is not initialized
- *            return true;
+ *            return;
  *        }
  *
  *        // At this point, you should not leave this function without calling SDL_SetInitialized()