Update feature description

app/server/templates/index.html

@@ -133,8 +133,7 @@
           <div class="card-content">
             <div class="content">
               <h4>Language independent</h4>
-              <p>doccano is not dependent on any languages. You can annotate any languages such as English, Spanish, Chinese
-                and so on. Regardless of your language, you can quickly start annotating text.</p>
+              <p>doccano is independent on any languages. You can annotate texts regardless of your languages. You can quickly start annotating text.</p>
             </div>
           </div>
         </div>
@@ -148,9 +147,9 @@
           </div>
           <div class="card-content">
             <div class="content">
-              <h4>Active learning</h4>
-              <p>Active learning is one of the most powerful tools in creating annotated corpora. Machine learning model automatically
-                annotates texts. You're only asked to judge whether the examples are correct or not.</p>
+              <h4>Auto labeling</h4>
+              <p>Auto labeling is one of the most powerful tools in creating annotated corpora. Machine learning model automatically
+                annotates texts. You're only required to correct a few error annotations.</p>
             </div>
           </div>
         </div>