Update README

README.md

@@ -16,6 +16,16 @@ tags:
 
 ## Usage example
 
+To install the requirements for using the OpenVINO backend, do: 
+
+```
+pip install git+https://github.com/huggingface/optimum-intel.git#egg=optimum-intel[openvino]
+```
+
+This installs all necessary dependencies, including Transformers and OpenVINO.
+
+*NOTE: Python 3.7-3.9 are supported. A virtualenv is recommended.*
+
 You can use this model with Transformers *pipeline*.
 
 ```python
@@ -26,13 +36,13 @@ model_id = "helenai/distilbert-base-uncased-finetuned-sst-2-english-ov-int8"
 model = OVModelForSequenceClassification.from_pretrained(model_id)
 tokenizer = AutoTokenizer.from_pretrained(model_id)
 cls_pipe = pipeline("text-classification", model=model, tokenizer=tokenizer)
-text = "He's a dreadful magician."
+text = "OpenVINO is awesome!"
 outputs = cls_pipe(text)
 print(outputs)
 ```
 
 Example output:
 
-```bash
-[{'label': 'NEGATIVE', 'score': 0.9929909706115723}]
+```sh
+[{'label': 'POSITIVE', 'score': 0.9998594522476196}]
 ```