Merge pull request zeman#12 from madrobby/patch-1

Add link to Can I use?
HTML-CSS-DOM-chat · Oct 9, 2014 · 5c1bbe9 · 5c1bbe9
2 parents 228b3ec + 53ef92b
commit 5c1bbe9
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/README.md b/README.md
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 #PerfMap: front-end performance heatmap
 
-A bookmarklet to create a front-end performance heatmap of resources loaded in the browser using the Resource Timing API.
+A bookmarklet to create a front-end performance heatmap of resources loaded in the browser using the Resource Timing API. (A browser with ![support for the Resource Timing API](http://caniuse.com/#feat=resource-timing) is required).
 
 Just add the bookmarklet below to your bookmarks bar.