Minor grammar fix about page, a=chris

diff --git a/en-US/pages/about.thtml b/en-US/pages/about.thtml
index c9cbcfe..aa8d553 100755
--- a/en-US/pages/about.thtml
+++ b/en-US/pages/about.thtml
@@ -40,7 +40,8 @@ combined the two to get Yioop.</p>
 Chinese word segmentation was developed using the word list
 <a href="http://www.mdbg.net/chindict/chindict.php?page=cedict"
 >http://www.mdbg.net/chindict/chindict.php?page=cedict</a> which has
-a Creative Common License. <a href="http://en.wikipedia.org/wiki/Trie">Trie</a>'s
+a Creative Commons Share Alike 3.0 Unported License.
+<a href="http://en.wikipedia.org/wiki/Trie">Trie</a>'s
 for word suggestion for all languages other than Vietnamese were built
 using the <a href="http://en.wiktionary.org/wiki/Wiktionary:Frequency_lists"
 >Wiktionary Frequency Lists</a>. These are also available under a