Update README.md

Author: sowmen

README.md

@@ -7,7 +7,7 @@ This is a chat application which allows text messaging and files sharing using J
 
  - Text messaging 
 
- - File(any type) sharing
+ - File sharing (any type)
 
  - Image sharing
 
@@ -32,21 +32,21 @@ This is a chat application which allows text messaging and files sharing using J
 
 ## Instructions
 
- 1. First Connect both the devices to same wifi
+ 1. First Connect both the devices to same wifi network.
 
- 2. Set username
+ 2. Set username. <strong>Username is CASE-SENSITIVE</strong>.
 
- 3. Click the Show Information button in one device
+ 3. Click the "Show Information" button in one device.
 
- 4. Click Enter IP:Port button in another device
+ 4. Click "Enter IP:Port" button in another device.
 
- 5. Scan The QR Code & click connect button
+ 5. Scan The QR Code & click connect button.
 
- 6. Or enter ip address and port number manually
+ 6. Or enter ip address and port number manually.
 
- 7. Start messaging
+ 7. Start messaging.
 
- 8. To download any shared file or image, long press over the thumbnail , the file/image will be downloaded and will show notification in notificatin bar of your device
+ 8. To download any shared file or image, long press over the thumbnail , the file/image will be downloaded and will show notification in notificatin bar of the device to open with external software.
 
- 9. To copy any text to clipboard , long press over the text
+ 9. Long press on text messages will copy the text to clipboard.