Update README.md

README.md

@@ -31,7 +31,7 @@ When you've setup your config.py you can run the script like this example that g
 
 The script will constantly update your chosen page number (default is 153 - chosen because it used to be used for this purpose on Teefax in the past) in the main teletext folder (which defaults in VBIT2 to /home/pi/teletext/).
 
-All of the files in that folder are sent across to the TV every so often, therefore the script constantly overwrites it with new tweets (up to 5 - space permitting!) so that it will update on your screen. Up to 99 subpages of tweets will be displayed - any further tweets will be dropped.
+All of the files in that folder are sent across to the TV every so often, therefore the script constantly overwrites it with new tweets (up to 5 - space permitting!) so that it will update on your screen. Up to 99 subpages of tweets will be displayed - any further tweets will be dropped. Tweets are truncated for space reasons. You kinda have to, really...
 
 ## Config options