[css-fonts-4] Fix URL scheme in Font Fetching Requirements Example w3c#4098

Author: cadonau

css-fonts-4/Overview.bs

@@ -2710,7 +2710,7 @@ src: url(http://another.example.com/fonts/simple.woff);
 
 <pre>/* cross origin, different scheme */
 /* no Access-Control-xxx headers in response */
-src: url(https://example.com/fonts/simple.woff);
+src: url(http://example.com/fonts/simple.woff);
 
 /* cross origin, different domain */
 /* no Access-Control-xxx headers in response */