diff --git a/index.html b/index.html
index 3a8fd4d..e6f085c 100644
--- a/index.html
+++ b/index.html
@@ -27,6 +27,9 @@
           <ul>
             <li>Display info</li>
             <li>Export for web</li>
+            <li>Add subtitles track</li>
+            <li>Remove audio track</li>
+            <li>Add audio track</li>
           </ul>
         </fieldset>
        </div>
@@ -35,13 +38,13 @@
         <div class="well">
         <fieldset>
           <legend>Input and Output</legend>
-            <div class="control-group">
+            <div class="form-group">
             <label class="control-label" for="input_name">Input</label>
               <div class="controls">
               <input type="text" name="input_name" id="input_name" placeholder="input" />
               </div>
             </div>
-            <div class="control-group">
+            <div class="form-group">
             <label class="control-label" for="output_name">Output</label>
               <div class="controls">
               <input type="text" name="output_name" id="output_name" placeholder="output" />
diff --git a/js/forms.js b/js/forms.js
index dd3155c..cb0ed6f 100644
--- a/js/forms.js
+++ b/js/forms.js
@@ -1,7 +1,9 @@
 $(document).ready(function() {
   
   $('#generate').click(function(){
-    $('#command_line').val("ffmpeg " + $('#input_name').val() + " " + $('#output_name').val())
+    $('#command_line').val("ffmpeg" + 
+      " -i " + $('#input_name').val() + 
+      " -o " + $('#output_name').val())
   });
 
 });