Fix typo in AUTHORS.txt

ZLester · ZLester · commit 3c50924b035c · 2015-05-19T01:30:57.000-07:00
Altered sentence explaining how authors were ordered so as to fix its grammar and more clearly convey its meaning.
diff --git a/AUTHORS.txt b/AUTHORS.txt
@@ -1,6 +1,6 @@
 Cocos2d-html5 authors
 
-(ordered by the join in time)
+(Ordered by join time)
 
 Core Developers:
 
