diff --git a/index.html b/index.html
index aa00cac..86b4dd9 100644
--- a/index.html
+++ b/index.html
@@ -417,7 +417,7 @@
   <h4>Filters</h4>
 
     <!-- astats -->
-    <span data-toggle="modal" data-target="#astats"><button type="button" class="btn btn-default" data-toggle="tooltip" data-placement="bottom" title="Plays a graphical output showing decibel levels of an input file">astats</button></span>
+    <span data-toggle="modal" data-target="#astats"><button type="button" class="btn btn-default" data-toggle="tooltip" data-placement="bottom" title="Plays a graphical output showing decibel levels of an input file">Graphic for audio</button></span>
     <div id="astats" class="modal fade" tabindex="-1" role="dialog">
       <div class="modal-dialog modal-lg">
         <div class="modal-content">