diff --git a/index.html b/index.html
index d5b9370..06685fd 100644
--- a/index.html
+++ b/index.html
@@ -66,7 +66,7 @@ Keyboard controls: 'z' to zoom in, 'x' to zoom out, 'n' to step the simulation.
 <br />
 Mouse controls: Left-click and drag to scroll around (when you're zoomed in.)
 <br />
-More information in the <a href="http://visual6502.org/wiki/index.php?title=JssimUserHelp">User Guide<a>.
+More information in the <a href="http://visual6502.org/wiki/index.php?title=JssimUserHelp">User Guide</a>.
 <br />
 <br /> 
 </span>
@@ -79,13 +79,13 @@ More information in the <a href="http://visual6502.org/wiki/index.php?title=Jssi
 </div>
 <div class = "buttons">
   <div style="position:relative; float:left;">
-    <a href ="javascript:stopChip()"id="stop"><img class="navstop" src="images/stop.png"></a>
-    <a href ="javascript:runChip()" id="start"><img class="navplay" src="images/play.png"></a>
+    <a href ="javascript:stopChip()" id="stop"><img class="navstop" src="images/stop.png" title="stop"></a>
+    <a href ="javascript:runChip()" id="start"><img class="navplay" src="images/play.png" title="start"></a>
   </div>
   <div style="float:left;">
-    <a href ="javascript:resetChip()"><img class="navbutton" src="images/up.png"></a>
-    <a href ="javascript:stepBack()"><img class="navbutton" src="images/prev.png"></a>
-    <a href ="javascript:stepForward()"><img class="navbutton" src="images/next.png"></a>
+    <a href ="javascript:resetChip()"><img class="navbutton" src="images/up.png" title="reset"></a>
+    <a href ="javascript:stepBack()"><img class="navbutton" src="images/prev.png" title="back"></a>
+    <a href ="javascript:stepForward()"><img class="navbutton" src="images/next.png" title="step"></a>
   </div>
   <div style="float:right; margin-left:20px;">... or try <a href="expert.html">Advanced</a></div>
 </div>