--- a/templates/results.html	Mon May 11 01:31:25 2015 +0800
+++ b/templates/results.html	Mon May 11 01:43:04 2015 +0800
@@ -37,6 +37,11 @@
       {% if prevrev %}<a href="?rev=rev({{ prevrev }})">prev page</a>{% end %}
       {% set nextrev = changesets[-1]['rev'] - 1 if changesets else None %}
       {% if nextrev > -1 %}<a href="?rev=rev({{ nextrev }})">next page</a>{% end %}
+      <span style="color: #777;">
+        hover things for a tooltip; red means slowest ever, green means fastest
+        ever; first color and time means without .hg/cache, second means with
+        .hg/cache.
+      </span>
     </header>
     <table>
       <thead>