Update social media section for clarity

Clarified language in social media section for Twitter and Reddit.

Author: framps

README.md

@@ -111,9 +111,9 @@ raspiBackup is maintained just by me - framp. If you find raspiBackup useful ple
 ## Social media
 
  * [Youtube](https://www.youtube.com/channel/UCnFHtfMXVpWy6mzMazqyINg) - Videos in English and German
- * [Twitter](https://twitter.com/search?q=%23raspiBackup&src=typed_query) - News and announcements - English only
+ * [Twitter](https://twitter.com/search?q=%23raspiBackup&src=typed_query) - News and announcements in English only
  * [Facebook](https://www.facebook.com/raspiBackup) - News, discussions, announcements and misc background information in English and German
- * [Reddit](https://www.reddit.com/r/raspiBackup/) - News, announcements 
+ * [Reddit](https://www.reddit.com/r/raspiBackup/) - News, announcements in English only
 
 ## Miscellaneous sample scripts [(Code)](https://github.com/framps/raspiBackup/tree/master/helper)