update readme

README.txt

@@ -18,9 +18,7 @@ Textbooks for Pressbooks adds functionality to the Pressbooks plugin to make it
 * Optional tabbed content (page citations, revision history, book information)
 * TinyMCE textbook buttons
 * TinyMCE spell check
-* Creative Commons license attribution
 * Prominent admin buttons (Import, Plugin)
-* Annotation functionality
 * Download links to openly licensed textbooks, ready to remix.
 * A remix 'eco-system' — Search and Import chapters from both local and remote instances of Pressbooks
 
@@ -34,7 +32,7 @@ IMPORTANT!
 You must first install [Pressbooks](https://github.com/pressbooks/pressbooks). This plugin won't work without it.
 The Pressbooks github repository is updated frequently. [Stay up to date](https://github.com/pressbooks/pressbooks/tree/master).
 
-Most of the functionality of this plugin, like textbook buttons and annotation, are tied directly to the `Open Textbooks` theme. Network Activate the `Open Textbooks`
+Some of the functionality of this plugin, like textbook buttons, are tied directly to the `Open Textbooks` theme. Network Activate the `Open Textbooks`
 theme, then activate at the book level. You'll have access to those features and more.
 
 = Using Git =