Update README.md

README.md

@@ -28,7 +28,10 @@ The pre-trained model takes in input a short text and produces a spectrogram in
 ## Install SpeechBrain
 
 ```
-pip install speechbrain
+git clone https://github.com/speechbrain/speechbrain.git
+cd speechbrain
+pip install -r requirements.txt
+pip install --editable .           
 ```
 
 Please notice that we encourage you to read our tutorials and learn more about