SDL: Sync SDL3 wiki -> header (274bc)

From 274bc95dfd052fa6d3260ea05d4a960ce7d92ed6 Mon Sep 17 00:00:00 2001
From: SDL Wiki Bot <[EMAIL REDACTED]>
Date: Thu, 16 Jan 2025 18:29:57 +0000
Subject: [PATCH] Sync SDL3 wiki -> header

[ci skip]
---
 include/SDL3/SDL_render.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/SDL3/SDL_render.h b/include/SDL3/SDL_render.h
index d7428b075c8f7..56a6770f97a05 100644
--- a/include/SDL3/SDL_render.h
+++ b/include/SDL3/SDL_render.h
@@ -1273,8 +1273,8 @@ extern SDL_DECLSPEC bool SDLCALL SDL_LockTexture(SDL_Texture *texture,
  *                `SDL_TEXTUREACCESS_STREAMING`.
  * \param rect a pointer to the rectangle to lock for access. If the rect is
  *             NULL, the entire texture will be locked.
- * \param surface this is filled in with an SDL surface representing the
- *                locked area.
+ * \param surface a pointer to an SDL surface of size **rect**. Don't assume
+ *                any specific pixel content.
  * \returns true on success or false on failure; call SDL_GetError() for more
  *          information.
  *