Update README.md

Author: Arduino3128

README.md

@@ -15,7 +15,7 @@ PyPhone is a fully Open Sourced Python Based GUI VoIP Calling App which enables
 3. Advance Hold Feature.  
 
 ## How to use PyPhone?  
-Since, PyPhone uses ngrok, it is required to make an account in [ngrok](https://ngrok.com/). PyPhone comes with Ngrok.  
+Since, PyPhone uses ngrok, it is required to make an account in [ngrok](https://ngrok.com/). PyPhone does NOT come with ngrok. Download [ngrok](https://ngrok.com/download)  
 ### Modules:  
 1. requests  
 2. pyaudio  
@@ -28,7 +28,7 @@ Since, PyPhone uses ngrok, it is required to make an account in [ngrok](https://
 1. Make a file named "ngrok.yml" in the same level as of PyPhone.py and add the following line:  
     `authtoken: <YOUR_NGROK_AUTHTOKEN>`  
 2. "config.cnf" contains the phone number of the user.  
-3. Run PyPhone.py  
+3. Download [ngrok](https://ngrok.com/download) and paste its executable in the modules folder.   
 Also, PyPhone uses MySQL database for storing the phone numbers and requires additional setup.(This step will not be required once PyPhone's MySQL DB is setup)  
 ### Steps(MySQL DB):
 The MySQL requires the following setup: