[css-device-adapt] Typo

Author: frivoal

css-device-adapt/Overview.bs

@@ -136,7 +136,7 @@ The ''@viewport'' mechanism is designed to be usable and useful
 on all browsers, not only mobile ones.
 However, if support is only available on mobile browsers for a significant time,
 there is a risk that authors would write ''@viewport'' rules that work on mobile
-but do the wrong if applied by a destkop browser.
+but do the wrong if applied by a desktop browser.
 This would make it difficult to later add support ''@viewport'' in desktop browsers.</strong>
 <p>An example of such misguided use would be to write <code highlight="css">@viewport { width: 320px; }</code>
 instead of <code highlight="css">@viewport { width: auto; }</code>