Highlight RKLLM toolkit version

README.md

@@ -25,7 +25,11 @@ These are hardware-specific `.rkllm` binaries, not Transformers checkpoints. The
 
 ## Conversion and variants
 
-Converted with RKLLM Toolkit 1.3.0. Use a file built for the exact target SoC.
+### Toolkit version
+
+**RKLLM Toolkit: v1.3.0**
+
+Use a file built for the exact target SoC.
 
 | Target | Quantization | File | SHA256 |
 | --- | --- | --- | --- |