Change opengraph width to trick facebook/twitter

views/index.ejs

@@ -8,7 +8,7 @@
     <meta property="og:description" content="Soutenez La Quadrature du Net !" />
     <meta property="og:url" content="http://<%= host %>/<%= subdir %>?<%= imageParams %>" />
     <meta property="og:image" content="http://<%= host %>/<%= subdir %>/generate.png?<%= imageParams %>" />
-    <meta property="og:image:width" content="600" />
+    <meta property="og:image:width" content="789" />
     <meta property="og:image:height" content="413" />
     <meta property="og:type" content="website" />
     <link rel="stylesheet" href="./font-awesome.min.css" />