fixed typo and incorrect URL

Author: jrencz

demo/index.html

@@ -28,7 +28,7 @@ <h1>Tree filter</h1>
             with drag and drop support.
         </p>
 
-        <p><a class="btn btn-lg btn-success" href="https://github.com/ee/agnular-ui-tree-keyboard" role="button">
+        <p><a class="btn btn-lg btn-success" href="https://github.com/ee/angular-ui-tree-filter" role="button">
             Code on GitHub</a></p>
     </div>
 
@@ -82,7 +82,7 @@ <h2>See it in action</h2>
                 <li>
                     <input type="checkbox" ng-model="highlight">
                     <small> Use
-                       <a href=">http://angular-ui.github.io/ui-utils/#/highlight">UI.Utils highlight</a> for exatc matches</small>
+                       <a href=">http://angular-ui.github.io/ui-utils/#/highlight">UI.Utils highlight</a> for exact matches</small>
                 </li>
                 <li>
                     <input type="checkbox" ng-model="dim"> <small>Dim filtered out (instead of hiding)</small>