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-rw-r--r--juick-www/src/main/webapp/WEB-INF/layouts/content.html2
1 files changed, 1 insertions, 1 deletions
diff --git a/juick-www/src/main/webapp/WEB-INF/layouts/content.html b/juick-www/src/main/webapp/WEB-INF/layouts/content.html
index c059678e..343fb3be 100644
--- a/juick-www/src/main/webapp/WEB-INF/layouts/content.html
+++ b/juick-www/src/main/webapp/WEB-INF/layouts/content.html
@@ -1,5 +1,5 @@
<!DOCTYPE html>
-<html>
+<html prefix="og: http://ogp.me/ns#">
<head>
<meta charset="utf-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=edge"/>