Update README.md

README.md

@@ -45,6 +45,13 @@ There are two ways to access the data:
 from datasets import load_dataset
 dataset = load_dataset("allenai/nllb")
 ```
+
+For accessing a particular [language pair]((https://huggingface.co/datasets/allenai/nllb/blob/main/nllb_lang_pairs.py)):
+```
+from datasets import load_dataset
+dataset = load_dataset("allenai/nllb", "ace_Latn-ban_Latn")
+```
+
 * Clone the git repo
 ```
 git lfs install