tweak twitter link

Author: tony

manuscript/00-foreword.md

@@ -66,7 +66,7 @@ needs or interests. If you haven't installed tmux yet, please view the
 [Installation section](#appendix-installation) in the Appendix of the book.
 
 Feel free to follow [@TheTaoOfTmux](https://twitter.com/TheTaoOfTmux) for
-updates or [share on Twitter](https://twitter.com/intent/tweet?text=I%27m%20reading%20the%20prerelease%20of%20The%20Tao%20of%20tmux%20online%20at&url=https://leanpub.com/the-tao-of-tmux/read&hashtags=tmux&via=TheTaoOfTmux)!
+updates or [share on Twitter](https://twitter.com/intent/tweet?text=I%27m%20reading%20The%20Tao%20of%20tmux%20online%20at&url=https://leanpub.com/the-tao-of-tmux/read&hashtags=tmux&via=TheTaoOfTmux)!
 
 ## Styles