Update multilingual model card metadata

README.md

@@ -9,6 +9,10 @@ tags:
 - on-device
 language:
 - en
+- zh
+- fr
+- ja
+- yue
 library_name: coreml
 license: apache-2.0
 repository: https://github.com/AutoArk/open-audio-opd
@@ -28,6 +32,9 @@ This repository packages an iPhone-ready, ASR-only build of
 `Audio8-ASR-0.1B`. It includes a Swift SDK, a minimal iOS demo app, an optional
 ANE benchmark app, and a prebuilt model asset bundle.
 
+The ASR model is multilingual, with support for languages including English,
+Chinese, Cantonese, French, and Japanese.
+
 The on-device pipeline uses Core ML on Apple Neural Engine for the audio tower
 and ONNX Runtime for the int4 language-model decoder. Audio is transcribed
 locally; no network request is required by the SDK or demo app.