Update README.md

README.md

@@ -21,7 +21,7 @@ With a compressed collection of documents to retrieve from, inference becomes ab
 *License*: [CC BY-NC 4.0.](https://creativecommons.org/licenses/by-nc/4.0/)  
 * *Model*: `Pisco-mistral` 
 * *Backbone model*: [mistralai/Mistral-7B-Instruct-v0.2](https://huggingface.co/mistralai/Mistral-7B-Instruct-v0.2)
-* *Model size*: 8 billion parameters
+* *Model size*: 7.33 billion parameters
 * *Compression rate*: x16: each document (of size up to 128 tokens) is converted into 8 embedding vectors.
 
 ## Usage