Clarify BT Issue

README.md

@@ -26,12 +26,14 @@ wget https://raw.githubusercontent.com/BritishAmateurTelevisionClub/rpidatv/mast
 chmod +x install.sh
 ./install.sh
 ```
-- If you receive an error after entering the wget line: 'GnuTLS: A TLS fatal alert has been received.', it may be that your ISP is blocking access to GitHub (some Virgin Media installations for example).  This workarouund DOES NOT work on with BT ISPs if you have web protect or parental controls enabled.  If (only if) you get this error with Virgin Media, paste the following command in, and press return.
+- If your ISP is Virgin Media and you receive an error after entering the wget line: 'GnuTLS: A TLS fatal alert has been received.', it may be that your ISP is blocking access to GitHub.  If (only if) you get this error with Virgin Media, paste the following command in, and press return.
 ```sh
 sudo sed -i 's/^#name_servers.*/name_servers=8.8.8.8/' /etc/resolvconf.conf
 ```
 Then reboot, and try again.  The comnmand asks your RPi to use Google's DNS, not your ISP's DNS.
 
+- If your ISP is BT, you will need to make sure that "BT Web Protect" is disabled so that you are able to downlaod the sogftware.
+
 - For French menus and keyboard, replace the last line above with 
 ```sh
 ./install.sh fr