Updated wording on the book purchase page about electronic version availability.

Author: mtiller

text/source/_themes/xogeny-semantic/static/buypage.html

@@ -84,10 +84,11 @@ <h3>ePub/PDF</h3>
 	  </form>
 	</div>
 	<p>
-	  We are currently working on both ePub and PDF versions of
-	  the book.  They are not yet available, but if you purchase a
-	  copy, you will be notified by email when it becomes
-	  available.
+	  You can purchase both ePub and PDF versions of the book in
+	  either letter or A4 format.  Once you buy the book, you will be
+	  sent links to download the electronic versions.  As new versions
+	  of the book become available, you will be sent updated links
+	  to the latest electronic versions.
 	</p>
 	<div style="clear: both"></div>
 	<div id="mc_embed_signup">