Update README.md

README.md

@@ -85,17 +85,17 @@ Follow the official PyTorch installation guide for your platform:
 [https://pytorch.org/get-started/locally/](https://pytorch.org/get-started/locally/)
 
 **Quick installation**
-```bash
-pip install torch torchvision
+```sh
+$ pip install torch torchvision
 ```
 
 ### 2. Install VAAS
 
-```bash
-pip install vaas
+```sh
+$ pip install vaas
 ```
 You can now safely run:
-```bash
+```python
 import vaas
 ```