Fix Chinese label to a more proper one

package.nw/GridTracker.html

@@ -1135,7 +1135,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
                       <select id="languageLocale" value="en" onchange="changeLocale();">
                         <option value="en">English</option>
                         <option value="es">Español</option>
-                        <option value="cn">中国人</option>
+                        <option value="cn">中文</option>
                         <option value="de">Deutsch</option>
                       </select>
                     </td>