Update README.md

README.md

@@ -8,10 +8,13 @@ This repository provides all the necessary tools to perform English grapheme-to-
 
 ## Install SpeechBrain
 
-First of all, please install SpeechBrain with the following command:
+First of all, please install SpeechBrain with the following command (local installation):
 
 ```bash
-pip install speechbrain
+git clone https://github.com/speechbrain/speechbrain
+cd speechbrain
+pip install -r requirements.txt
+pip install -e .
 ```
 
 Please notice that we encourage you to read our tutorials and learn more about