diff --git a/src/Main.elm b/src/Main.elm
index fc92745..85189c8 100644
--- a/src/Main.elm
+++ b/src/Main.elm
@@ -66,13 +66,13 @@ view computer memory =
         <|
             List.append
                 (makeCircles computer fx bounds memory [])
-                ([ P.words black "Welcome to my math project! Use arrow keys to adjust the width of each rectangle."
+                ([ P.words black "Welcome to my math project! Left and right arrows adjust dx, up and down change the visualization."
                     |> at ( (bounds.xmax - bounds.xmin) / 2, bounds.ymax - 0.5)
                 , P.words black ("The current dx is " ++ (String.fromFloat memory.dx))
                     |> at ( (bounds.xmax - bounds.xmin) / 2, bounds.ymax - 1)
-                , P.words black ("The current approximation is " ++ (String.fromFloat <| (\n->n/32/32) <| getArea computer corner fx bounds memory))
+                , P.words black ("The left approximation is " ++ (String.fromFloat <| (\n->n/32/32) <| getArea computer TopLeft fx bounds memory))
                     |> at ( (bounds.xmax - bounds.xmin) / 2, bounds.ymax - 1.5)
-                , P.words black ("The real area under the curve is thus about " ++ (String.fromFloat 898))
+                , P.words black ("The right approximation is about " ++ (String.fromFloat <| (\n->n/32/32) <| getArea computer TopRight fx bounds memory))
                     |> at ( (bounds.xmax - bounds.xmin) / 2, bounds.ymax - 2)
                 ])
 
diff --git a/src/index.html b/src/index.html
index 8c7fbfa..466d17e 100644
--- a/src/index.html
+++ b/src/index.html
@@ -2,10 +2,12 @@
 <html>
 <head>
   <script type = 'text/javascript' src = './main.js'></script>
+  <title id='title'></title>
 </head>
   <body>
     <script>
       var app = Elm.Main.init();
+      document.getElementById('title').textContent='Reimann Sum Visualizer';
     </script>
   </body>
 </html>
