Describe the hello window from main

hello no longer needs an init callback: main passes its window spec
through yasl_app_desc.window.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/README.md b/README.md
index 358ee7c..db52dd1 100644
--- a/README.md
+++ b/README.md
@@ -48,8 +48,9 @@ selection chooses the native session and allows fallback, or you can request an
 explicit backend with `yasl_display_spec.backend`.
 
 Include `<yasl/app.h>` and pass application callbacks to `yasl_run()`.
-The complete [hello.c](examples/hello.c) creates its window in `init`, handles
-close requests in `event`, and fills every pixel in its frame callback:
+The complete [hello.c](examples/hello.c) describes its window in
+`yasl_app_desc.window`, handles close requests in `event`, and fills every pixel
+in its frame callback:
 
 ```c
 static void draw(void *ud, struct yasl_surface *surface, struct yasl_frame_context *frame)