Update index.tex

Closes itead#80

latex/index.tex

@@ -8,7 +8,7 @@ \section*{Introduction}
 
 Nextion Arduino library provides an easy-\/to-\/use way to manipulate Nextion serial displays. Users can use the libarry freely, either in commerical projects or open-\/source prjects, without any additional condiitons.
 
-For more information about the Nextion display project, please visit \href{http://wiki.iteadstudio.com/Nextion_HMI_Solution}{\tt the wiki。} The wiki provdies all the necessary technical documnets, quick start guide, tutorials, demos, as well as some useful resources.
+For more information about the Nextion display project, please visit \href{http://wiki.iteadstudio.com/Nextion_HMI_Solution}{\tt the wiki}. The wiki provides all the necessary technical documnets, quick start guide, tutorials, demos, as well as some useful resources.
 
 To get your Nextion display, please visit \href{http://imall.itead.cc/display/nextion.html}{\tt i\+Mall.}
 
@@ -118,4 +118,4 @@ \section*{License}
 
 
 
-
+