Typo correction.

Author: addyosmani

0.5/resources/compatibility.md

@@ -96,6 +96,6 @@ In addition to the main web components APIs, Polymer uses other new platform fea
 
 ## Polyfill browser support
 
-<p>Polymer uses the <a href="https://github.com/WebComponents/webcomponentsjs">webcomponents.js polfyills</a> that work in the latest versions of evergreen browsers. See the <a href="https://github.com/WebComponents/webcomponentsjs#browser-support">compatibility maxtrix</a> for more details.</p>
+<p>Polymer uses the <a href="https://github.com/WebComponents/webcomponentsjs">webcomponents.js polyfills</a> that work in the latest versions of evergreen browsers. See the <a href="https://github.com/WebComponents/webcomponentsjs#browser-support">compatibility maxtrix</a> for more details.</p>
 
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