Improve model card and surface related exports

README.md

@@ -11,14 +11,23 @@ tags:
 
 # YOLO-World-RKNN2
 
-YOLO-World Model Zoo builds for RK3576 and RK3588.
+> **Looking for Ultralytics RKNN exports?** Browse the [Ultralytics exports collection](https://huggingface.co/collections/HanzoHuang/ultralytics-rknn-exports-6af1d088ba04ccf2dcbf81c2).
 
-Models are grouped under `models/v<toolkit-version>/<task>/<variant>/<chip>/<precision>/`.
+YOLO-World builds from the Rockchip Model Zoo for **RK3576** and **RK3588**.
 
-## Model Zoo downloads
+## Choose a model
 
-The `models/v2.5.0/` downloads use RKNN Toolkit2 2.5.0. The conversion receipts identify the original ONNX and converter. See [source and license notices](LICENSES.md). YOLO-World requires its paired CLIP text encoder and Rockchip’s demo.
+Models are grouped by toolkit version, task, variant, chip, and precision:
 
-## Toolkit 2.3.2 builds
+```text
+models/v<toolkit-version>/<task>/<variant>/<chip>/<precision>/
+```
 
-See [models/v2.3.2](tree/main/models/v2.3.2) for builds tested on their target board. Each conversion receipt identifies its source graph and compiler.
+YOLO-World requires its paired CLIP text encoder and Rockchip’s demo.
+
+## Toolkit versions
+
+- [Toolkit 2.5.0 builds](tree/main/models/v2.5.0) use RKNN Toolkit2 2.5.0. Conversion receipts identify the source ONNX model and converter.
+- [Toolkit 2.3.2 builds](tree/main/models/v2.3.2) were tested on their target board. Each conversion receipt identifies its source graph and compiler.
+
+See [source and license notices](LICENSES.md) for provenance and applicable terms.