Update README.md

Signed-off-by: Andrew Wallo <andrewdwallo@gmail.com>

README.md

 The demo environment provides a complete experience of the application with the following setup:
 
 - **Login Credentials**: Pre-filled for convenience (email: admin@erpsaas.com, password: password)
-- **Multi-Company Setup**: 5 pre-configured companies with different currencies:
+- **Multi-Company Setup**: 8 pre-configured companies with different currencies:
     - ERPSAAS (USD)
     - British Crown Analytics (GBP)
     - Swiss Precision Group (CHF)