SDL: Sync SDL3 wiki -> header (16dfa)

From 16dfaca72825b72f12c36d11024c7adfb2754c27 Mon Sep 17 00:00:00 2001
From: SDL Wiki Bot <[EMAIL REDACTED]>
Date: Thu, 2 Jan 2025 20:06:39 +0000
Subject: [PATCH] Sync SDL3 wiki -> header

[ci skip]
---
 include/SDL3/SDL_surface.h | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/include/SDL3/SDL_surface.h b/include/SDL3/SDL_surface.h
index 7abbc663e8e5f..db3103142dda7 100644
--- a/include/SDL3/SDL_surface.h
+++ b/include/SDL3/SDL_surface.h
@@ -1021,12 +1021,14 @@ extern SDL_DECLSPEC bool SDLCALL SDL_FillSurfaceRect(SDL_Surface *dst, const SDL
 extern SDL_DECLSPEC bool SDLCALL SDL_FillSurfaceRects(SDL_Surface *dst, const SDL_Rect *rects, int count, Uint32 color);
 
 /**
- * Performs a fast blit from the source surface to the destination surface.
+ * Performs a fast blit from the source surface to the destination surface
+ * with clipping.
  *
- * This assumes that the source and destination rectangles are the same size.
  * If either `srcrect` or `dstrect` are NULL, the entire surface (`src` or
- * `dst`) is copied. The final blit rectangles are saved in `srcrect` and
- * `dstrect` after all clipping is performed.
+ * `dst`) is copied while ensuring clipping to `dst->clip_rect`.
+ *
+ * The final blit rectangles are saved in `srcrect` and `dstrect` after all
+ * clipping is performed.
  *
  * The blit function should not be called on a locked surface.
  *