--- card.html
+++ card.patched.html
@@ -458,7 +458,7 @@
   }
   function escapeHtml(s){
     return String(s).replace(/[&<>"']/g,function(c){
-      return {"&":"&amp;","<":"&lt;",">":"&gt;",'"':&quot;,"'":&#39;}[c];
+      return {"&":"&amp;","<":"&lt;",">":"&gt;",'"':"&quot;","'":"&#39;"}[c];
     });
   }
   function renderChart(){