[fix] Fix missing russian and update readme

model/supervised_finetuning/README.md

@@ -60,6 +60,23 @@ python trainer.py --configs defaults your-model-name --deepspeed
 
 ## Dataset choices
 
+To specify which translation pair for [WMT](https://huggingface.co/datasets/wmt19) and [TED Talk](https://huggingface.co/datasets/ted_talks_iwslt) translation simply add the supported language pair at the postfix
+
+```
+  datasets:
+    - wmt2019_zh-en
+    - wmt2019_ru-en
+    - wmt2019_de-en
+    - ted_trans_nl-en
+    - ted_trans_de-ja
+```
+
+Currently only these languages are supported via prompt translation:
+
+```
+ar,de,fr,en,it,nl,tr,ru,ms,ko,ja,zh
+```
+
 ## Results
 
 Experimental results in wandb