Update README.md

README.md

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 ## Model Details
 
-**Input:** The model accepts only text input.
-
-**Output:** The model produces text output exclusively.
-
 **Model Architecture:** 
 
 urLLM-KO-7B is an auto-regressive language model that leverages an optimized transformer architecture derived from Llama-2-7b.
 
 **Training Corpus**
 
-The model was trained using selected datasets from Modu Corpus and Korean Wikipedia (approximately 27GB).
+The model was trained using selected datasets from Modu Corpus and Korean Wikipedia (approximately 28GB).
+
+**Vocab Expansion**
+
+
+| Model Name | Vocabulary Size | Description | 
+| --- | --- | --- |
+| Original Solar | 32000 | Sentencepiece BPE |
+| **Expanded urLLM-KO-7B** | 51385 | Sentencepiece BPE. Added Korean vocab and merges |